#acid & alkali resistant

[giazhou1]

SINOYQX Launches Melamine Foam in Rolls for Electronic Precision Manufacturing Industry

SINOYQX, on 30th, 10, 2023 launches melamine foam in rolls for thermal insulation, flame retardant and heat preservation application on electronic precision manufacturing industry.

The Melamine Foam in Rolls by SINOYQX's innovative processing technology, has a uniform appearance, and high open cell ratio. It is widely used in the electronic precision manufacturing industry, providing excellent thermal insulation, flame retardant, heat preservation, and the material in rolls, which facilitates the customer's post-processing adhesive laminating process, and improves the production efficiency.

Typical Properties of SINOYQX Melamine Foam in Rolls:

Permanent flame retardancy (UL94 V-0, HF-1, B1 grade) ;

Excellent acoustic performance (0.95NRC) ;

Excellent thermal insulation (thermal conductivity, 0.035 W/ (m*K)) ;

Permanent and stable three-dimensional mesh structure (99% open-cell) ;

Wide range of weathering (minus 180 degrees Celsius to 200 degrees Celsius, up to 240 degrees Celsius, with a wide range of weathering resistance (minus 180 degrees Celsius to 200 degrees Celsius, up to 240 degrees Celsius, with a maximum resistance of 240 degrees Celsius, with a wide range of weathering resistance) ;

Lightweight (8.5KG/cubic meter) ;

Environmentally friendly (does not contain any halogenated hydrocarbons, flame retardants and/or toxic heavy metals; does not emit toxic or harmful gases when burnt in a flame);

Environmentally stable (resistant to acids, alkalis, antibacterials and molds) .

Typical Specifications for SINOYQX Rolled Melamine Foam:

Thickness: 0.3mm to 3mm

Width: 100mm to 600mm

Length: 20m/roll to 300m/roll

In addition to its properties advantages, SINOYQX melamine foam in rolls have many other merits, such as highly cost-effective, short lead time, in-time after-sales service, even OEM service.

SINOYQX is looking for partners and distributors of its melamine foam in rolls products globally.

About SINOYQX

SINOYQX is a huge chemical entity based on natural gas production chain, manufacturing urea (AdBlue), melamine(powder), melamine foam, melamine cyanurate (MCA), polyphosphate (MPP), polyvinyl butyral resin (low-polymerization PVB resin), modified melamine formaldehyde resins, and other chemical products. The annual capacity of AdBlue is 150,000Litters and 600,000Tons of Granule; Melamine, 50,000Tons; Melamine foam, 200,000M3, the Melamine Cyanurate (MCA) is 50,000Tons. And the Transulate (an Equivalent of 3M Thinsulate) is 20,000 Sqm, per day.

For more information about SINOYQX's rolled melamine foam products, please call us at 028-8411-1861 or write to us at sales@sinoyqx.com for free samples or quotes, or for more innovative solutions.

[materialsscienceandengineering]

Researchers develop polyurea membranes for lithium recovery from waste batteries

In a study published in the Journal of Membrane Science, a research group led by Prof. Wan Yinhua from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences propose a new zone-regulated interfacial polymerization strategy, aiming to fabricate acid- and alkali-resistant nanofiltration (NF) membranes with high separation selectivity for the lithium recovery from waste lithium batteries. The rapid expansion of the new energy industry has driven a surge in demand for lithium resources, highlighting the need for effective recycling of spent lithium batteries. Green and efficient nanofiltration (NF) technology is emerging as a key solution for sustainable lithium recovery. However, conventional polyamide NF membranes face challenges such as structural degradation under acidic and alkaline conditions, which compromises their separation performance.

Read more.

[totalgroupaustralia]

Creative Ways to Incorporate Sisal Products into Your Interior Design

Sisal products have become increasingly popular in interior design due to their natural aesthetic, durability, and versatility. Among these, sisal rope and sisal twine stand out as unique materials that can add texture and charm to your home decor. In this article, we will explore creative ways to incorporate sisal rope and sisal twine into your interior design, showcasing how these simple materials can elevate your space.

Decorative Accents with Sisal Rope

Sisal rope is a versatile material that can be used in various decorative applications around the home. Here are some creative ideas to get you started:

Wrapped Furniture

One of the most impactful ways to use sisal rope is by wrapping furniture pieces. For example, you can wrap the legs of a chair or a table with sisal rope to add a rustic touch. This not only enhances the visual appeal of the furniture but also adds texture to the room.

Sisal Rope Wall Art

Creating wall art with sisal rope can add a unique focal point to your space. You can arrange the rope in various shapes or patterns, such as geometric designs or abstract forms. This DIY project allows you to express your creativity while incorporating a natural element into your decor.

Hanging Planters

Sisal rope is perfect for creating hanging planters that can bring a touch of greenery indoors. By crafting a macramé-style planter using sisal rope, you can create a beautiful display for your favorite houseplants.

Sisal Twine for Crafting and Decorating

Sisal twine is another fantastic product that can be utilized in various interior design projects also top applications for home and garden. Its natural look and sturdy texture make it ideal for crafting and decorating.

Gift Wrapping and Tags

Using sisal twine for gift wrapping can add a charming, rustic touch to your presents. Instead of standard ribbons, consider tying your gifts with sisal twine for a more personalized and eco-friendly presentation. You can also attach handmade tags made of kraft paper for an added touch.

Photo Displays

Create a unique photo display using sisal twine. You can stretch the twine across a wall and use clothespins to hang your favorite photos or artwork. This simple yet stylish display allows you to showcase your memories while adding a decorative element to your space.

Woven Baskets

Sisal twine can be used to enhance woven baskets, creating functional storage solutions that are both stylish and practical. You can wrap the top rim of a basket with sisal twine or create decorative accents on the sides.

Suggested Products

Twisted Sisal Rope

Need a tough, all-natural rope that's completely chemical-free? Look no further than SGT KNOTS® twisted sisal rope! Made in Brazil from the fibers of the Agave sisalana plant, this rope is woven and twisted using a manufacturing process that involves no chemicals, oils, or other treatments. Durable and moisture-resistant, this natural rope is perfect for applications that require a bit of stretch.

Whether you're replacing or building a scratching post for your feline friends, baling hay, or decorating your ranch-themed home, this twisted sisal rope is suited for a variety of tasks, both indoors and outdoors. Designed to withstand harsh weather, you can count on this rope for tie-downs, marine-bound binding, and many more applications.

Key Features:

Material: 100% natural sisal fibers, chemical-free and environmentally friendly.

Durability: Tough and moisture-resistant, suitable for outdoor use.

Applications: Ideal for scratching posts, agricultural tasks, crafting, and decorative projects.

Resistance: Good UV resistance; however, it has poor resistance to rot, mildew, acids, and alkalis.

Dimensions Available: Diameters of 3/16", 1/4", 3/8", and 1/2".

Lengths Available: Options of 10ft, 25ft, 50ft, 100ft, 1000ft, or 2500ft.

Unoiled Sisal Twine

Discover the versatility of all-natural unoiled sisal twine made from Agave sisalana fibers. This eco-friendly twine is a popular choice for various applications, including craft beer brewing, cucumber twine, farming, agriculture, crafting, and home decoration. 100% biodegradable and compostable, this sisal twine is food-safe and free from scents, fumes, chemicals, dyes, bleaches, or added treatments. It's easy to use for arts & crafts, and practical enough for your bushcraft needs. Keep some on hand in your bug-out bag, backpack, or workshop to always be prepared for any task.

Key Features:

Material: 100% natural sisal fibers, unoiled and chemical-free.

Biodegradable: Fully compostable and safe for the environment.

Tensile Strength: Approximately 120 lbs, making it strong for various uses.

Diameter Available: 1/8".

Lengths Available: Options of 100ft and 8000ft.

Crown Sisal Twine

Crown Sisal Twine is an all-natural, crown sisal twine made from Agave sisalana fibers. This two-ply twine offers double the strength and is an affordable choice for various applications such as craft beer brewing, cucumber twine, farming, agriculture, crafting, and home decoration. It knots well and does not stretch, making it reliable for tasks that require secure binding.

Like its counterpart, this sisal twine is 100% biodegradable and compostable, decomposing over time without harming the planet. It’s perfect for tying cardboard boxes, paper, and other recyclable materials, making it a practical addition to your eco-friendly practices.

Key Features:

Material: 100% natural sisal fibers, unoiled and chemical-free.

Strength: Two-ply construction for added durability.

Biodegradable: Fully compostable and environmentally friendly.

Applications: Ideal for tying, crafting, and agricultural tasks.

Lengths Available:

2 Ply, #8T: 150ft

2 Ply, #16T: 300ft

FAQs

1. What are the benefits of using sisal products in interior design?

Sisal products are eco-friendly, durable, and versatile. They add natural texture and warmth to any space and are biodegradable, making them a sustainable choice for home decor.

2. Can sisal rope and twine be used outdoors?

Yes, sisal rope and twine can be used outdoors, but they should be protected from prolonged exposure to moisture to prevent degradation. They are ideal for temporary outdoor decorations or in covered areas.

3. How do I clean sisal products?

For general cleaning, simply dust sisal products or vacuum them with a brush attachment. For stains, use a damp cloth with mild soap, but avoid soaking the fibers.

Conclusion

Incorporating sisal rope and twine into your interior design can add a unique and natural touch to your home. From decorative accents and wall art to functional storage solutions, these versatile materials can enhance your space while promoting sustainability. Whether you're wrapping furniture or creating hanging planters, the creative possibilities are endless with sisal products. Embrace their charm and texture to elevate your interior design!

[levil-zhang]

What material is PVDF? PVDF is a very important high-performance engineering plastic. It has excellent chemical stability, heat resistance, weather resistance and mechanical properties, so it is widely used in various fields. The full name of PVDF is polyvinylidene fluoride, which is a thermoplastic fluoroplastic with excellent chemical corrosion resistance and electrical insulation properties. PVDF has attracted much attention due to its unique properties. Let’s take a closer look at what material PVDF is. First, PVDF has excellent chemical resistance. PVDF has excellent acid and alkali resistance and good corrosion resistance to most organic solvents, acids, alkali and salts, so it is widely used in chemical pharmaceuticals, electroplating and other fields. In the chemical industry, PVDF is often used to manufacture pipes, pumps, valves and other equipment because it can effectively resist acid and alkali corrosion and ensure the stable operation of equipment. Secondly, PVDF has excellent heat resistance. The melting point of PVDF is about 165°C, the long-term use temperature can reach 140°C, and the short-term use temperature is even higher. This allows PVDF to maintain stable performance in high temperature environments, so it is widely used in aerospace, automotive, electronics and other fields. For example, in the aerospace field, PVDF is often used to manufacture aircraft parts, such as pipes, connectors, etc., because it can maintain stable performance in high-temperature and high-pressure environments. In addition, PVDF also has good weather resistance. PVDF has excellent UV resistance and anti-aging properties, so it can maintain stable performance for a long time in outdoor environments and is not prone to aging, discoloration, etc. Therefore, PVDF is often used to manufacture exterior wall panels in the fields of construction, billboards, solar energy, etc. , billboards, solar panels and other products to ensure their long-term stable performance in outdoor environments. Finally, PVDF has excellent mechanical properties. PVDF has high strength and stiffness, as well as good toughness and impact properties, so it is widely used in machinery manufacturing, electrical equipment and other fields. In the field of machinery manufacturing, PVDF is often used to manufacture bearings, gears, seals and other products because it can maintain stable performance under high-speed, high-load working conditions. To sum up, PVDF is a very important high-performance engineering plastic with excellent chemical stability, heat resistance, weather resistance and mechanical properties. Therefore, it is widely used in chemical industry, aerospace, construction, machinery manufacturing and other fields. It is believed that with the continuous advancement of technology, the application fields of PVDF will continue to expand, bringing more convenience and possibilities to all walks of life.

[metalcheap]

Is Monel similar to Inconel?

Many of our customers have such a question: Is Monel similar to Inconel? As a matter of fact, both Monel and Inconel are nickel-based alloys with exceptional corrosion resistance and high-temperature performance, but they differ significantly in composition, properties, and applications. In this article, let’s delve into the key aspects of these two alloys to understand their similarities and differences.

Is Monel similar to Inconel?

Composition:

Monel, also known as Monel alloy, is primarily a nickel-copper alloy, typically containing up to 67% nickel and 28% copper, with the remaining portion composed of iron, manganese, carbon, and silicon. This composition gives Monel its excellent corrosion resistance, particularly against acids and alkalies.

On the other hand, Inconel is a nickel-chromium alloy, with chromium content ranging from 15% to 25%, depending on the specific grade. Inconel alloys also contain significant amounts of other elements like iron, molybdenum, and titanium, which contribute to their high-temperature strength and oxidation resistance.

Properties:

Both Monel and Inconel exhibit excellent corrosion resistance, but the specific environments they thrive in differ. Monel’s corrosion resistance is particularly noteworthy in marine and chemical processing applications, where it can withstand the corrosive effects of saltwater and various acids.

Inconel, on the other hand, is renowned for its ability to maintain its mechanical properties at extremely high temperatures. It is often used in aerospace and power generation applications where materials must withstand extreme heat and pressure. Inconel’s chromium content also gives it superior resistance to oxidation and sulfidation at high temperatures.

When it comes to mechanical properties, Inconel generally offers higher strength and hardness compared to Monel. However, Monel has better formability and weldability, making it easier to shape and join into complex structures.

Applications:

The differences in composition and properties lead to distinct applications for Monel and Inconel. Monel is commonly used in the chemical processing, marine, and food processing industries due to its resistance to corrosion and ease of fabrication. Its ability to withstand the corrosive effects of saltwater makes it a popular choice for marine applications like shipbuilding and offshore drilling.

Inconel, on the other hand, finds its niche in high-temperature applications where strength and oxidation resistance are paramount. Aerospace, power generation, and petrochemical industries rely on Inconel alloys for components that must operate in extreme environments.

Conclusion:

While Monel and Inconel are both nickel-based alloys with exceptional corrosion resistance, they are not interchangeable. Each alloy has its unique composition, properties, and applications. Monel excels in corrosive environments and offers good formability and weldability, while Inconel is renowned for its high-temperature performance and oxidation resistance.

Thank you for reading our article and we hope it can help you to find the answer to the question: Is Monel similar to Inconel? If you are looking for Monel and Inconel suppliers and manufacturers online now, we would advise you to visit Huaxiao Alloy.

As a leading supplier of Monel and Inconel Alloys from Shanghai China, Huaxiao Alloy offers customers high-quality products such as Monel 400, Monel K500, Inconel 600, Inconel 601, Inconel 625, and Inconel 718 at a very competitive price.

[bathroom-sanitary]

Sintered stone bathroom cabinet, excellent quality, perfect interpretation of home aesthetics. Sintered stone has the following advantages:

First, excellent surface smoothness, no gaps, zero penetration, so you can say goodbye to the trouble of damp and moldy.

Second, easy to clean and care, high antibacterial properties, guarding the health of your family.

Third, high temperature resistance, corrosion resistance, acid and alkali resistance, fire prevention and waterproof, excellent safety performance.

Fourth, excellent wear resistance, high hardness scratch resistance, long service life.

Fifth, environmental protection and pollution-free, the real meaning of non-toxic zero formaldehyde, for you to create a fresh and safe home environment.

Sixth, the texture is natural and unique, simple and atmospheric appearance, highlighting the fashionable high-end taste. Rock slabs have color black, white, gray, basket, yellow, gold, brown and other colors, commonly used color system black, white, gray, more popular with consumers is Lauren black gold, Lauren white gold, Armani gray and fish belly white four colors.

We can choose the color of the Sintered stone according to the bathroom tile color and light and decoration style, tone with the choice, will be able to achieve the effect of icing on the cake. Sintered stone bathroom cabinet, quality of life preferred, so you can enjoy the elegant and high quality of life!

Sintered stone has so many advantages, do you like it?

@DexusLife

#Sinteredstone #bathroomcabinets #bathroomdecoration #bathroomdesign

#bathroomgoodideas #Renovation #decor

[padmavatisteel]

Monel K500 Round Bar Exporters

Are you searching for top-notch corrosion-resistant materials in India? Look no further than Monel K500 Round Bars, the ultimate solution for your demanding industrial needs. Monel K500 is a high-performance alloy renowned for its exceptional corrosion resistance, making it the ideal choice for critical applications in various industries.

Unmatched Corrosion Resistance: Monel K500 is primarily composed of nickel and copper, with small additions of aluminum and titanium. This unique alloy composition offers extraordinary resistance to a wide range of corrosive environments, including seawater, acids, alkalis, and more. In India's diverse climate and industrial landscape, Monel K500 Round Bars ensure your equipment and structures remain robust and reliable for years to come.

Excellent Mechanical Properties: Beyond its corrosion resistance, Monel K500 offers outstanding mechanical properties. Its high tensile strength and durability make it suitable for a multitude of applications, from marine components to chemical processing equipment. Whether you're operating in the bustling cities of Mumbai or Chennai or the rugged terrains of the Himalayas, Monel K500 Round Bars are engineered to withstand the toughest conditions.

Exceptional Thermal Stability: Monel K500 retains its mechanical integrity even at elevated temperatures, making it perfect for high-temperature applications. Whether you're in the steel industry of Jamshedpur or the textile industry of Coimbatore, you can trust Monel K500 Round Bars to perform reliably in your specific environment.

Cost-Effective Solution: While Monel K500 Round Bars offer premium performance, they also provide long-term cost savings. Their extended service life and reduced maintenance requirements ensure that your investment pays off over time, allowing your business to thrive in the competitive Indian market.

Customized Solutions: We understand that every project is unique, which is why we offer customizable Monel K500 Round Bars to suit your exact specifications. Whether you require specific sizes, shapes, or quantities, we can deliver tailor-made solutions to meet your needs.

Compliance and Quality: Our Monel K500 Round Bars adhere to international quality standards, ensuring you receive a product of unmatched quality and consistency. We prioritize safety and reliability, making us the trusted choice for businesses across India.

In conclusion, Monel K500 Round Bars are the ideal choice for industries across India, offering unparalleled corrosion resistance, exceptional mechanical properties, thermal stability, cost-effectiveness, and customized solutions. Elevate your projects, enhance your equipment's longevity, and ensure the success of your business with Monel K500 Round Bars. Contact us today and experience the excellence of Monel K500 for yourself.

[businessindustrialprofitable]

What to Consider When Choosing Your Gasket Material and Type

A gasket may be a combination of materials, which is employed to stop any fluid entry between two static components. The success of the industrial gasket and materials depends on the sort of fabric utilized in the manufacturing process. counting on the sort of application, a spread of materials are wont to produce gaskets of…

A gasket may be a combination of materials, which is employed to stop any fluid entry between two static components. The success of the industrial gasket and materials depends on the sort of fabric utilized in the manufacturing process. counting on the sort of application, a spread of materials are wont to produce gaskets of the many shapes and sizes. Gaskets also are chosen supported factors like application temperature, pressure, electrical conduciveness, and resistance to extreme environments.

Types of Gasket Materials

While the materials wont to produce gaskets are numerous, on a general basis, they will be segregated into 3 types:

Fibrous materials

Elastometric materials

Metallic materials

Fibrous materials: These materials are made using organic fibers. The gasket sheet is skilled as a binding solution to assist develop the gasket material. they need excellent absorption properties and are flexible enough to be made into various shapes. Some common samples of fibrous gasket materials are:

Asbestos– In fibrous materials, asbestos is perhaps the foremost recognizable and popular material. It is often used for sealing applications during a sort of environment. Asbestos maintains its shape and strength up to 450oF. It doesn’t emit any toxic odor and is safe to handle.

Carbon fibers- As a cloth, carbon fiber has the power to face up harsh chemical environments. It is often used for applications that have high temperatures and pressures. it’s seen as a perfect material because of its low permeability. However, it’s not suitable for oxidization.

Aramid- An artificial fiber, aramid has been used as a substitute for asbestos. it’s a high resistance towards heat and organic solvents. Though it doesn’t have a freezing point, it does tend to degrade when temperatures reach 500oC. However, it doesn’t react well to salts and acids, also as direct contact with UV rays.

Elastometric materials: because the name suggests, these materials are produced using elastomers with various composites. This makes them extremely popular materials for a spread of industries thanks to their high performance and quality. a couple of well-known elastomers are given below:

Silicone- Perhaps the foremost recognized material for gaskets, silicone is well-known for its waterproof properties. It works effectively in extreme temperatures and is immune to UV and ozone elements. Silicone is often easily molded or cut using water jet cutting systems counting on the sort of application.

Rubber- As an organic material, natural rubber has good resistance to heat, and functions wells as a cushioning pad. When utilized in gaskets, it can recover to its original shape from medium temperatures. It is often wont to protect gaskets from alkalis, mild acids, and inorganic salts.

Neoprene- this will be used as an appropriate option for rubber. The advantage that neoprene has is that while it’s almost like rubber in terms of its resistance to acids and alkalis, it also can work against oils, petroleum, and other fuels. However, it’s not recommended to be used against hydrocarbons.

Metallic materials: Usually, the various sorts of metals wont to produce gaskets are a variety of steels, alloys, titanium, copper, and aluminum.

Carbon Steel– this is often one of the favored metallic choices for gaskets. The larger the quantity of carbon within the alloy, the harder and stronger it becomes. Unfortunately, the carbon content has got to be balanced with other metal properties otherwise it can lower the general freezing point.

Aluminum– Aluminum is understood for its lightweight, machinability, and high resistance to corrosion. Aluminum alloys are an honest choice for gaskets thanks to their weldability and strength.

Titanium– Considered to be almost like 304 chrome steel, titanium is understood for its lightweight, strength, and corrosion resistance. It is often used for very high temperatures, and it’s perfect for oxidizing media.

An understanding of the varied sorts of gasket materials used can assist you to decide the proper type to use in your industrial application.

Original Source: Industrial Gaskets

[epoxyflooringexpert]

A Guide To Choose The Right Concrete Sealers For Home

Maintaining the efficiency of the commercial property is extremely important especially the concrete that makes the floor pitch perfect. In fact, not just maintaining but preventing the damage to concrete is equally essential. Concrete is one of the crucial construction elements owing to its strength and longevity. However, because concrete is porous, it can absorb soluble salts and water, which can be harmful. Furthermore, the absorption of salts by the concrete, especially chlorides, can eventually lead to corrosion problems when steel reinforcement is inserted in the concrete to strengthen it. 

As a result, opting for the right type of concrete sealers is of utmost necessity. It ensures protection by shielding surfaces from a wide range of water-related issues caused by the cycles of thawing and freezing, stains from dirt, oil, and other impurities. In addition, it also prevents an individual from investing unnecessarily.  

Understanding The Role Of Concrete Sealers

The sealers for concrete are intended to provide protection for the concrete's surface against degradation, rust, and discolouration over time. Most concrete surface degradation is usually caused by surface moisture penetration. It's essential to safeguard and preserve the concrete surfaces while doing regular maintenance to increase their lifespan. Concrete sealers function by covering your concrete's surface or by penetrating into its pores and attaching to its inherent attributes. There are several types of sealers and choosing the right one can be the game changer. 

How To Choose The Right Concrete Sealers?

In order to choose the right kind of sealers for a concrete surface, one must be aware of the different types of concrete sealers in the market and their benefits. 

Waterproof Concrete Sealers 

A sealer should be a product that has the ability to penetrate deep into the surface as well as the substrate in order to seal and act as a protective covering. A waterproof sealer protects the concrete surface from penetrating water deep into the seal on which it turns into a solid form enclosing all alkali and lime in its impenetrable layer.

As a result, the concrete surface coated with waterproof sealers becomes water resistant along with other dirt, grease and acid which extends the overall life of the surface. 

Epoxy Concrete Sealers 

Epoxy concrete sealers are a great option for heavily utilized interior floors. This specific sealer not only offers a durable finish but also deters excessive abrasion. The most popular applications for epoxy coatings are concrete flooring and countertops. As a matter of fact, this type of sealer offers a glossy finish with a thick composition.

Depending on the requirement of an individual, pigments can be added to the sealers for better colours and one can choose either some mid-level sheen or highly glossy one.  

Acrylic Concrete Sealers

If an individual is looking for a cost-effective option, acrylic sealers are the best. Not only is it easy to apply but is also best suited for the interiors and exteriors for sealing the concrete. In addition, this type of sealer is well resistant to UV and therefore doesn’t fade away with time.

If one is looking for sealers for the garage or wants to seal the pool decks and walkways, individuals can opt for acrylic sealers as they offer protection against chlorine water. The paint dries really fast and enhances colours while protecting against damage. 

Final Thoughts 

Choosing the right concrete sealers perth and applying them correctly is extremely crucial. To find the ideal balance of protection, durability, and affordability, consider the specific needs, surface, and location.

Spraypave Pro is a concrete sealer expert in Perth and can help with the process of concrete sealing. 

[baobikhangloi]

A brief history of colors and some popular pigments

Black pigment

Black pigment has a long history, starting with charcoal paintings in Stone Age caves. Through centuries of research, people have known how to change the burning conditions and choose the type of wood to customize the shade of this black. Coal can be pressed into a dry bar, or it can be ground into a powder and mixed with water or other liquids to produce the black dye that is now known as carbon black, with the pigment code PBk 7.

During the renaissance, artists often worked with black obtained from the soot of oil lamps, known as lamp black pigment – PBk 6. This pigment has a matte black color with a slightly cool tint. The lamp black is also used in Egyptian tombs and murals, replacing charcoal, which is denser but less pure.

Ivory black or bone black was originally created by boiling the crumbs obtained during the ivory making process to remove fat and gelatine, then ground and concentrated into a harder and coarser form to produce black. The production of ivory pigments was stopped in the 1930s, and today the pigment is mainly made from animal bones, with the color index name PBk 9. This pigment is semi-transparent, has a tinting strength is lower than that of carbon-based black pigments, but has a unique feature of deep yellow or brown undertones.

PBk 11 is an inorganic iron oxide pigment, which is different from all the black pigments mentioned above because there is no carbon in the composition. PBk 11 has a very high color fastness and is almost indestructible. In a mixture of colors, it can easily overwhelm all other colors. PBK 11 is also known as Mars black, named after Mars, the god of war in Greek mythology.

white pigment

The first white substance in history is thought to be natural calcium carbonate chalk, which is an exceptionally soft limestone, formed from the shells and bones of microscopic organisms deposited and compacted over millions of years. The calcium carbonate (CaCO3) that gives the white color can also be obtained from eggshells, oyster shells, ... In European literature, the term "shell white" is often used to refer to these ancient whites. Natural white pigment with calcium carbonate composition is still used to this day, has the pigment code PW 18.

The first synthetic white pigment produced on a commercial scale was lead white (PW 1), which dates back to around 300 BC. Despite its proven toxicity, white lead remained in widespread use until the late 19th century, when the superior zinc white and titanium white appeared and replaced it. There are many documents detailing how to make white lead. In the oldest process, lead rods were exposed to vinegar fumes in sealed clay pots. These pots were buried in manure or tree bark to maintain the temperature for several months so that the lead converted to white lead.

Zinc white (PW 4) with zinc oxide composition (ZnO) is produced by burning zinc in an oxidizing medium or zinc ore in a reducing medium. This pigment has the special property of being able to emit yellow fluorescence under long-wave ultraviolet light. Zinc whites are not toxic, nor are they as clearly affected by hydrogen sulfide as lead whites, but their whiteness is clearly inferior.

In 1908 in New York, a metallurgist named Auguste Rossi invented a brilliant white pigment, titanium dioxide (Titanium White - PW 6). This pigment is extremely stable, it is not affected by heat, dilute acids or alkalis, light or hydrogen sulfide. Most importantly, titanium white reflects about 97% of light, making it the best white ever known. Because of that, it quickly became popular in many fields. Titanium dioxide also provides UV absorption, which greatly improves weather resistance and durability for outdoor applications.

The chemical classification of titanium dioxide, which for many years was considered no problem, is even widely used in the pharmaceutical and cosmetic industries. However, they have become the subject of heated discussion over the past few years, when a European Union authority has changed the way they are classified and evaluated. Titanium dioxide (TiO2) particles with an aerodynamic diameter ≤ 10 μm are considered hazardous when inhaled.

Before titanium white appeared, the dominance in the segment belonged to Lithopone white (PW 5). They once accounted for 60% of the white pigment market, outperforming both lead white and zinc white combined. Lithopone is moderately strong in blends, not as strong as Titanium white, but not as gentle as Zinc white either. For those who are concerned about the durability of zinc white, but don't like the opacity of titanium white, PW 5 can be a good alternative.

Red pigment

Red is a color associated with love, excitement, and danger. This color also symbolizes good luck in many Eastern cultures. There are many red pigments that have been found and present in the pigment database.

The earliest red pigment discovered by mankind was red ocher, which is clay that has been colored by rusted (oxidized) iron. The red iron oxide pigment consists of the mineral hematite with some minor minerals such as clay, chalk and quartz. Red ocher differs from yellow ocher and brown ocher in that they do not contain H2O in their chemical structure. Today, synthetic iron oxide red pigments have the pigment code PR 101. They are chemically very similar to natural red iron oxide (PR 102), but transparent and more vibrant in color.

Lead red (minium) is an ancient pigment that is considered to be one of the first synthetic man-made pigments. Red lead is made by heating white lead to oxidize it at high temperatures. They are still used to this day, in anti-rust paints for steel structures, especially used a lot on ships.

The famous Chinese red color dating back to the fourth century BC is “Chusha” (Cinnabar), which is used to make paints, lacquers, ceramic glazes and calligraphy ink. Many people mistakenly believe that cinnabar is a plant because it is also a medicine in traditional medicine, but in fact, cinnabar is a mineral with the main component mercury sulfide (HgS). Artificial cinnabar, used by the Romans since the Middle Ages. This pigment is named Vermillion, has a color index name PR 106. Vermillion is much more vibrant than natural cinnabar, but both are quite toxic.

Besides the red pigments obtained from minerals, history also records some organic red pigments obtained from plants such as kermes tree, brazilwood or some palm species in Asia. The Incas also had their own red pigment for dyeing their robes, obtained from the Cochineal - a beetle that feeds on cactus.

The age-old reds made from lead and mercury, though toxic, have been commonly used throughout human history. The real alternatives have only appeared for more than a century, with the development of modern chemistry.

Red Cadmium (PR 108) is a dual product of zinc ore. PR 108 can include many different shades of red, for example Cadmium Red Light leans more towards orange, while Cadmium Red Deep is slightly maroon.

Naphthol red pigments PR 5, PR 9, PR 112, PR 170 and PR 188 are a large group of synthetic organic red pigments. While PR 5 can serve as the primary, medium-tone red in the palette, PR 9 is more of an orange hue. PR112 has a soft bright orange color, PR 170 includes Naphthol Red Light with an orange-red color and Naphthol Red Deep leaning towards purple.

Alizarin Crimson (PR 83) has a deep, cold red color and has high tinting intensity. Mixing PR 83 with Viridian Blue (PG 18) or Phthalo Blue (PG 7) creates a very deep black. PR 122 – Quinacridone Magenta is a vibrant red with a blue tint that makes them almost purple. The same Quinacridone family also has a red color PR 202 which is a bit greener than PR 122, PR 206 - Quinacridone Maroon has a red color that turns brown, while PR 207 - Quinacridone Scarlet is bright coral red.

Yellow pigment

Of all the pigment groups, yellow is the largest and most diverse because there are many substances in nature that can produce this color.

The oldest yellow pigment in prehistoric cave paintings, is yellow ocher, also crumbly clay colored by iron oxides. They are still in use today, with the pigment code PY 43 for natural yellow iron oxide and PY 42 for synthetic yellow ocher. Both natural ocher yellow and synthetics are both great colors in art, as they will produce very natural looking greens when mixed with blue pigments.

In early civilizations in Asia, Egypt and Greece, human used a yellow substance called Orpiment, which was synthesized by subliming a mixture of sulfur and a small amount of arsenic oxide. The Babylonians used Napoli yellow, which was prepared by heating a mixture of oxides of lead and antimony. Napoli yellow currently has a pigment code of PY 41.

Another well-known yellow is Indian yellow, which is said to be made from the bladder gravel of cows eating mango leaves. However, the original Indian yellow color dating from the 15th century no longer exists. Today's Indian yellow is Diarylide yellow (PY 83).

The 19th century saw the introduction of more modern inorganic pigments such as chromium yellow (lead chromate), cadmium gold (PY 35 and PY 37), nickel gold (PY 53 and PY 150), …

Some other yellow pigments include: Hansa yellow group (PY 3) with bright greenish yellow, PY 65 with deep yellow and PY 97 medium yellow, Barium Chromat lemon yellow (PY 31), Strontium chromate (PY32), cobalt yellow (PY 40), arylide yellow (PY73 and PY74), Isoindolinone yellow (PY 110), Diazo yellow (PY 128), Quinophthalone yellow (PY 138), Benzimidazolone yellow (PY 151, PY154 and PY 154). PY175), …

Blue pigment

Blue includes sky blue and navy blue which are very rare colors in nature. Less than a tenth of plants have this color, and in animals it's even rarer. Even if they're blue, it's not because they actually have a blue pigment, but they've actually done light tricks to achieve.

In plants, blue color is achieved by mixing or altering natural pigments, most commonly by altering the acidity on red anthocyanin pigments such as in canaries, bellflowers, and hydrangeas.

Instead of mixing or changing pigment, the blue color in many animals is caused by structures on their bodies that are able to change the wavelength of light. For example, the Morpho butterfly is blue because the scales of its wings are ridged, causing light to bend, making the only wavelength of light it reflects is blue. The only exception in nature is the Obrina Olivewing butterfly, the only animal known to have a real blue pigment.

The raw material of mankind's first green pigment was "lapis lazuli", a precious stone originating from mines in Afghanistan. "Lapis" means "stone" in Latin, "lazuli" comes from the Persian word "lazuward", meaning "blue". The blue created from this stone is called Ultramarine Blue, is a most perfect pigment, with its qualities said to be unique and unsurpassable. The color index name PB 29 is assigned to both natural and synthetic Ultramarine blue pigments, but today's natural Ultramarine Blue is actually exhausted. Lapis lazuli contains sulfur anions held in an ordered lattice. These sulfur anions have charged particles that move from molecule to molecule, traveling along the surface, helping to create a spatial effect and a deep blue color.

The synthetic blue pigment Ultramarine was discovered in 1826 by the French chemist Jean-Baptiste Guimet. He made a pigment chemically identical to lapis lazuli, by heating kaolinite, sodium carbonate, and sulfur. Synthetic ultramarine usually has a warm red-blue color, which is even more vivid than natural ultramarine blue but is not as pure and has the same depth.

Lapis lazuli is very precious and expensive. Faced with the need for an available and affordable blue pigment, the Egyptians invented the world's first synthetic pigment: Egyptian blue. Calcium copper silicate is calcined at extremely high temperatures, producing a blue-green compound resembling glass. When ground into a powder and mixed with a binder, they create a pigment that persists over time.

Across the ocean, the ancient Maya also found their own color of blue: Maya blue. Scientists are all confused about the origin of this brilliant blue color. It was not until the 1960s that scientists were able to determine the origin of this pigment. It is made by mixing a rare clay (attapulgite or palygorskite) with a dye from a plant in the indigo family.

In 1704 in Berlin, the first modern pigment was accidentally discovered by a dye maker named Diesbach: Prussian Blue (PB 27), also known as Berlin blue. Pigments made from iron ferrocyanide quickly became popular, simply because they were much cheaper than the earlier blues.

Phthalocyanine dark blue was first sold commercially in 1935 under the trade name Monastral Blue or Phthalocynanine Blue. This is a transparent, highly pigmented and reliable blue pigment. PB 15 is divided into 2 types: PB 15:1 – Phthalocyanine Blue Red Shade is more red and warmer, while PB 15:3 – Phthalocyanine Green Shade has a shade closer to green.

Mangan blue (PB 33) is produced by heating a mixture of sodium sulfate, potassium permanganate and barium nitrate at high temperature. This pigment is inert, unaffected by light, heat, acids or alkalis. Manganese blue pigment has now been discontinued due to concerns about the environmental impact of the manufacturing process.

The most common blue color is cobalt blue (cobalt aluminum oxide), which includes a range of pigments such as PB 28 which has a slightly greenish blue tint, PB 29 which is a bit darker, PB 35 which is sky blue, PB 36 is blue with a green tint, while PB 74 contains a little bit of red. Various cobalt minerals have been used since ancient times to color glass and ceramics, but the first synthetic cobalt blue pigment was discovered in 1802 by Louis Jacques Thénard. He discovered that the combination of cobalt oxide and aluminum oxide produced a highly stable blue pigment. Of all the blue pigments, cobalt blue is the only one with opacity.

It was not until 2009, more than two centuries after the last blue was discovered (cobalt blue), that humans found a new blue pigment, and also the last blue pigment up to the present time. It was YinMn Blue (PB 86), which was discovered by chance by a graduate student at Oregon State University. This pigment gets its name from the elements within it including Yttrium (Y), Indium (In) and Manganese (Mn).

[henry-jwell]

TPO Waterproof Sheet Extrusion Line

Jwell company adopts the solid roll for combining multilayers, this new technology make the TPO sheet having a good function against wind uncovering.TPO waterproof sheet is a new type of waterproof product, which is produced with thermoplastic polyole-fin plus antioxygen and plastifier and so on, the middle layer is polyester fabric for reinforcement, the surface is laminated with textile fiber and aluminum foil. This kind of TPO waterproof sheet has the features of good weatherproof and suppleness. It is mainly used for house, tunnel, basement architecture and other waterproof fields. Used for different kinds of plastic material, such as PVC, TPO,etc.Being able to produce below sheets: Plastic roll sheet (model: H): without coating with inner reinforced material or outer material. Roll sheet with outer fiber (Model: L): coating with fiber or non-woven fabric. Inner reinforced roll sheet (Model: P): Inner layer coats with polyester mesh. Inner reinforced roll sheet (Model: G): Inner layer coats with glass fiber. Features of TPO waterproof coiled material 1. Ethylene propylene rubber and polypropylene are combined by advanced polymerization technology, which has both excellent weather resistance of ethylene propylene rubber and weldability of polypropylene. 2. The special formulation technology does not need to add any plasticizer that is easy to make the material brittle, does not produce the embrittlement of general hot welded coiled materials (such as PVC) due to the migration of plasticizer, and maintains the long-term waterproof function. 3. Excellent high and low temperature resistance. Like rubber materials, it still maintains flexibility at - 50 ℃ and mechanical strength at higher temperature. 4. Chemical resistance, acid, alkali, salt, animal oil, vegetable oil, lubricating oil corrosion, algae, mold and other microbial growth. 5. It has excellent root puncture resistance and can be used as root puncture resistant coiled material for planting roof. 6. Heat aging resistance and good dimensional stability. 7. The light colored surface dominated by white has smooth surface and high reflectivity, which has energy-saving effect 8. The lap joint is constructed by thermal welding, which can form a high-strength and reliable sealing waterproof layer. 9. The reinforced TPO waterproof coiled material is sandwiched with a layer of polyester fiber fabric in the middle, which provides the coiled material with high tensile performance, high tear strength, fatigue resistance and puncture resistance, and is more suitable for mechanically fixing the roof system. 10. The backing TPO waterproof coiled material is the fabric on the lower surface of the coiled material, which makes the coiled material easier to bond with the base layer. 11. Homogeneous TPO waterproof coiled material has good plasticity and can be processed into various shapes after heating to adapt to the practice of complex nodes Main technical specification Model SJP130/36-SJZ92/188-3400 JWP130/26+JWP130/26-2400 Product structure TPO+(Net)+TPO PVC+(Net)+PVC Products width 3200mm 2200mm Products thickness 0.8-3mm 0.5-3mm Extruder model SJP130/36-SJZ92/188 JWP130/26+JWP130/26 Capacity 1200kg/h 1500kg/h Read the full article

[dontditchtheluxurybushbaby]

The Biggest Travel Trend - Wild Luxury

"Wild luxury camping" refers to outdoor camping with the perfect combination of mountains and luxury. When it becomes a trend, it is the start of Internet celebrity homestays, with high-quality camping trip experiences. Outdoor camping has always been very popular with tourists because outdoor camping has become the five key points of the current era: memory, freedom, comfort, contact with nature, and adventure. With the gradual elimination of various camping tents, a variety of luxury glamping units, such as safari tents have been selected.

The material of the safari tent is PVC or PTFE tarpaulin. It is UV resistant and flame retardant and can resist temperatures from -30 to 70 degrees. It is acid and alkali resistant and can be disassembled and cleaned to ensure a clean and beautiful appearance. strong and sturdy.

PVC floors tend to make tents seem cheap and easy to get abrasions. Usually, the indoor floors have options, such as a composite floor-SPC stone plastic floor-BPC bamboo fibre floor. You can make the choice among them, or use other floorings that you like, such as solid wood flooring, ceramic tiles, etc.

The suppliers who specialise in the production of luxury safari and glamping tents. It is an enterprise that builds characteristic hotels for resorts, scenic spots and tourist areas. With professional design, professional layout, camp planning and other solutions, no site restrictions, long service life, and stable construction, you create your own personalized luxury glamping tent.

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[rajeev2023]

SAFETY APRONS & THEIR USES

Safety aprons are an essential piece of Personal Protective Equipment (PPE) for anyone working with or near powerful industrial chemicals. Common solvents, cleaners, and disinfectants can pose a severe threat to your health, and accidents with flying grease, oil, and other dangerous fluids are not uncommon. A good quality safety apron will provide you with the necessary protection from these hazards. It is crucial to choose a safety apron made from a breathable material to avoid causing skin irritation. The apron should also be long enough to protect your entire torso, and the straps should be adjustable to get a snug fit. When used properly, a safety apron can help keep you safe from harm in potentially hazardous situations.

When selecting an apron, choosing one that is appropriate for the task and fits properly is crucial. Aprons should be replaced when they become damaged or worn out. Workers should also be sure to wash their aprons after each use.

Different Types of Safety Aprons and Their Uses:

There are many different types of safety aprons on the market today. Some are designed for distinct purposes, while others can be used for several applications.

Aprons are used in many workplaces to protect employees' clothes from spills, dirt, and other debris. They are also commonly worn by chefs and other food service workers to prevent them from contacting food that may contain bacteria or contaminants. Safety aprons can also be worn to protect against fire or heat. Some manufacturers even create specialized aprons for particular industries, such as construction or laboratory work. Whatever the specific purpose, safety aprons play a significant role in workplace safety.

Chemical Resistant Aprons

These aprons are made of chemical-resistant polyvinyl chloride (PVC) and are a staple in many industries that require protection against harsh chemicals and other liquids. This chemical-resistant apron is known for its flexibility and resistance to a variety of liquids, including fats, grease, oils, acids, alcohol, and alkalis. As a result, the PVC apron is an ideal choice for those working in the chemical processing or petrochemical industries.

In addition to its practical benefits, the PVC apron is also known for its comfort and style. The apron's flexibility allows it to move with the body, making it comfortable to wear for long periods. It is available in various colors and designs, making it possible to find an apron that fits any personal style. Whether you need protection from harmful chemicals or are simply looking for an attractive and practical piece of clothing for your everyday work, the PVC apron is an excellent choice.

Water-resistant Apron

 When it comes to protecting your clothing from spills and stains, water-resistant aprons made of Polyethylene Vinyl Acetate (PEVA) and PVC are second to none. These aprons are made from high-quality material and versatile enough to be used for several purposes. They are ideal for use in the kitchen, when cleaning or butchering, as well as for pet grooming, gardening, etc. The waterproof quality makes them more durable.

While the PEVA material prevents liquid permeation and contamination, the PVC aprons are designed for a smooth finish to prevent bacterial growth. These aprons are essential for anyone looking to protect their clothes from dirt and stains.

Heavy-duty Waterproof Apron

Aprons are not just for the kitchen anymore! With the Heavy Duty Vinyl Water-Proof Apron, you can have the durability and long life of an industrial apron and the comfort and fit of an apron perfect for your kitchen. These aprons are normally made from vinyl for added durability and come with heavy-duty braided neck and waist straps that are adjustable for a perfect fit.

With so many uses, including food processing, deep freezing, chemical processing, dish-washing, and more, the heavy-duty vinyl waterproof apron is a must-have for anyone who wants to keep their clothes clean and protected.

 Disposable Apron

For many jobs, a disposable apron is the best option to keep your clothes clean and protected. They are inexpensive and come in various colors and styles to suit any need. They are also convenient because they can be quickly removed and disposed of when the job is done, minimizing washing expenses.

Disposable aprons are essential for anyone who wants to protect their clothing from stains and damage. Whether you are washing dishes, industrial cleaning, bussing tables, painting, or working in the salon or the kitchen, disposable aprons are a convenient way to keep your clothes clean and dry.

Conclusion

If you are looking for a reliable and affordable safety apron, we will get you covered.  www.yoursafetyproducts.co.in has a wide selection of aprons to choose from depending on brands, material, and price range to find the perfect one for your needs. Whether you need an apron for industrial use or want something to protect your clothes at home, visit www.yoursafetyproducts.co.in for more information.

[nobleglassware]

PTFE Lined Sight Flow Indicators: Understanding their Functionality and Applications

In many industrial processes, it is important to monitor the flow of liquids or gases through a pipeline or system. This is where sight flow indicators come in, providing a visual way to monitor the flow of fluids. Sight flow indicators can come in a range of materials and designs, but in this blog, we will focus on PTFE lined sight flow indicators manufacturers in India and their functionality and applications.

PTFE (Polytetrafluoroethylene) is a highly non-reactive and versatile material that is resistant to many corrosive chemicals and has a high temperature tolerance. When PTFE is lined on the inside of a sight flow indicator, it provides excellent corrosion resistance and makes it suitable for use in highly corrosive environments.

Functionality of PTFE Lined Sight Flow Indicators:

PTFE Lined Sight Flow Indicators are used to visually monitor the flow of liquids or gases through a pipeline. They consist of a transparent window, usually made of glass or acrylic, and a PTFE lined body that allows the fluid to flow through. The window is typically circular in shape and allows operators to see the flow of the fluid.

The PTFE lining helps protect the sight flow indicator from corrosive substances and ensures the fluid does not come into contact with any metal parts. This lining also helps to reduce friction between the fluid and the sight flow indicator, making it easier for the fluid to flow through.

Applications of PTFE Lined Sight Flow Indicators:

PTFE Lined Sight Flow Indicators have a wide range of applications across various industries due to their excellent resistance to corrosive substances. Some common applications Include:

Chemical Processing:  PTFE Lined Sight Flow Indicators in Vadodara are used in the chemical industry to monitor the flow of corrosive chemicals such as acids, alkalis, and Solvents.

Pharmaceutical Industry: In the pharmaceutical industry, PTFE Lined Sight Flow Indicators are used to monitor the flow of high-purity liquids such as purified water, pharmaceutical solutions, and sterile liquids.

Food and Beverage Industry: PTFE Lined Sight Flow Indicators are used in the food and beverage industry to monitor the flow of liquids such as fruit juices, milk, and beer.

Petrochemical Industry: In the petrochemical industry, PTFE Lined Sight Flow Indicators are used to monitor the flow of corrosive liquids such as hydrochloric acid, sulfuric acid, and other hazardous substances.

Manufacturers of PTFE Lined Sight Flow Indicators:

There are many manufacturers of PTFE Lined Sight Flow Indicators manufacturers in India around the world. These manufacturers offer a range of designs and materials to suit various applications. Some of the top manufacturers of PTFE Lined Sight Flow Indicators include:

- L.J. Star Incorporated

- Kenco Engineering Company

- Techniquip Corporation

- Mettler-Toledo International Inc.

- Gems Sensors & Controls

Conclusion:

PTFE Lined Sight Flow Indicators are an essential component in many industrial processes, providing a visual way to monitor the flow of fluids through a pipeline or system. Their excellent resistance to corrosive substances and high temperature tolerance make them ideal for use in a range of applications across various industries. With the increasing demand for PTFE Lined Sight Flow Indicators, manufacturers are constantly improving their designs and materials to meet the needs of their customers.

[wingcrystal]

What is Purple Mica?

Purple Mica is a very unique gem, which is very similar to violet in appearance, but in fact it is a kind of oblique red phosphorus iron ore with a blue-purple tone. Because of the unique growth mode of purple mica underground, it is determined that the body of purple mica is a cryptocrystalline structure. You will find that the overall structure of purple mica presents a very beautiful glass luster, and it is an opaque form, and the color is a very comfortable cherry blossom pink purple. It looks very similar to Sugilite on the market, so many people in the market also use it to pretend to be, so they seek greater benefits.

First of all, purple mica is produced in the United States and is the“national stone“ of the United States. The scientific name is oblique red phosphorus iron ore, oblique square crystal system, mohs' hardness of about 4, the color is soft cherry blossom pink purple, similar to high-grade Sugilite, the color is very beautiful, in recent years popular jewelry upstart can be called the role of color, wearing effect is very line with skin color and white hands, in foreign people call it lover stone.

Purple mica has a variety of colors, with purple as the best, with white spots or macular as the worse, so when you buy purple mica, you must choose good, choose jade purple, only such purple mica has collection value.

Second. Look at the texture

The formation of purple mica also takes a long time to form, and there are many associated minerals. Therefore, the texture of purple mica is mostly purple with white macula. High-quality purple mica should have the characteristics of overall jade purple, which is the so-called "purple mica". Therefore, special attention should be paid.

Third. Look at the appearance

High-quality purple mica jewelry should have no cracks in appearance and no impurities. At the same time, the processing technology should be in place, polished, and the holes should be perfect, without macula and white spots, and the color should be unified for the best. Mica powder is a transparent and elastic thin wafer with high mechanical strength, good electrical insulation, high temperature resistance, acid and alkali resistance and corrosion resistance. Superior physical properties and stable chemical properties. Mica stone is irregular plate-like, different in size. Mica stone is colorless or slightly yellowish brown, light green, light gray, with pearl-like or glass-like luster. Mica stone is tough, can be peeled off layer by layer, the flakes are smooth and transparent, and elastic. The gas is slight and tasteless.

At present, many friends do not know what purple mica is, but it is mysterious and romantic and is the only purple gem. It can help you develop wisdom and develop your potential; amethyst also represents love, which can make the other party love you unswervingly, and can enhance popularity and heterosexual relationship.

In addition, giving purple mica to the opposite sex means praising each other, expressing love, and capturing the heart. Wearing purple mica can attract wonderful love, ideal partner and increase heterosexual relationship. This is a symbol of peach blossom luck.