#Hand grade PE stretch film | Explore Tumblr posts and blogs

megaplast3 · 2 years ago

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PE STRETCH FILMS TYPES AND APPLICATIONS

PE Stretch Films are designed for the coverage and protection of packages, pallets and boxes during their preparation, transit and delivery. The constant displacement and transferring of goods from one mode of transportation to another often leads to packages being prone to scratches, stains as well as contamination and damage. Aside from the external conditions of packaging, through the multiple binds of the Stretch film, a robust external layer of PE is created to restrict permeating damage to the internal contents of the package.

Megaplast is a pioneering industrial stretch film manufacturer in India, renowned for manufacturing films up to 5 layers and with widths of up to 2.6 metres. Megaplast’s Stretch Films are armoured with varied tolerance capacities to suit multiple applications; ranging from heavy bagged products to glass and ceramics, as well as within the transportation industry with Heavy Loads and Fragile Items.

Here are some versatile features of Stretch films that you need to know:

Stretch Films are different from Cling Films:

Often confused and quipped interchangeably, Stretch Films and Cling Films share the common property of being PE wraps. However, there is a primary difference: Mega Cling Films are beneficial for storing food items and packaging mostly perishable items. On the other hand, Mega Stretch Film is girded with high-quality polyethylene that boasts the flexibility of stretching three times its original form. Both perishable, as well as non-perishable goods, are covered and protected in their entirety, regardless of their shape and rigid structures.

While the Cling Film’s basic attributes include obstructing the oxidation of foodstuff and enduring extreme heating and cooling temperatures, the Stretch Film’s core functions are to be tear resistant, prevent surface damage caused by sharp or blunt impact, and offer improved toughness of pallets at a lower gauge.

Multiple types of PE Stretch Films:

Like the exhaustive variety of goods and the peculiar needs associated with their transportation, Megaplast has incorporated unique technological characteristics into their films, customised for your needs.

Mega Stretch Premium: These films are five-layer cast machine films with excellent clarity, high strength and elongation, alongside the properties of a quiet delivery with silent unwind. They come in five different thickness sizes, ranging from 9 Microns to 29 Microns with widths of 450 millimetres and 500 millimetres. Apart from choosing from multiple colours, Stretch Films have one-sided cling properties that help eliminate loads from sticking together while in transit and are best used for wrapping fragile items like glass and ceramics.

Mega Stretch Pro: These are five-layer cast hand-grade films, renowned for general-purpose applications like light-weight loads, irregular loads, warehouse storage and furniture packing. The film is formulated to stretch in a limited manner to produce superior integrity during shifting and transit. With widths extending across 300 millimetres to 500 millimetres, you can get the Stretch Pro Films in five widths and thicknesses ranging from 9 Microns to 29 Microns. With options for colours, you can rely on the tensile and elongation properties of Stretch Films.

Manufacturing and quality testing of the Megaplast Stretch Films:

None of our PE Films leave our factory without testing their true strength. The Cast Films are derived from a process called cast extrusion. After the meted PE resins go through the chill roll, they are rigorously examined for tensile strength, elongation, Elmendorf Tear strength, protrusion puncture, dart impact test and many other important material tests. Both Mega Stretch Premium and Mega Stretch Pro are BSCIC certified, leaving their quality undisputed and of utmost reliability.

Looking for excellent PE Stretch film manufacturers in India for your retail and industrial needs? Send us your requirements at [email protected] or contact us at +91 022 - 6106 6000.

To know more: https://www.megaplast.in/blog-single.php?slug=pe-stretch-films-types-and-applications

#PE Stretch Films

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angeltriestoblog · 6 years ago

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Second sem (and freshman year) recap

It’s pretty hard to believe, but another chapter of my college journey is finally over and done with. Since I had ended the first half of the school year in such high spirits, I didn’t really believe upperclassmen when they warned that things were only going to get harder from there. In fact, I even thought I’d be the one to prove them wrong! I mean, with a class schedule that looked like this, how would I run out of time for all the things I both needed and wanted to do? My Tuesdays and Thursdays were practically free, save for that one Math class I had to attend in the morning that I surprisingly never cut.

For the most part of the semester, I was in a chill state compared to everyone else. I claimed that I had successfully adjusted to the demands of higher education to the point where I found what once was an unreasonable workload to be manageable. I was able to make time for my home org’s activities and devote enough attention to the only project I was deployed to, which I touched on a bit in my first recap blog post (linked here in case you want to jog your memory). As previously mentioned, I was assigned as one of the Documentations Heads under the Information Management department of the Career Building Program, a three-phase event that gives its participants a glimpse into the corporate world. We kicked things off with a resume writing workshop that I was lucky enough to join. The facilitator assigned to me gave useful insights that I was able to apply in the creation of my own curriculum vitae, which I am keen on using when it’s my turn to apply for internships and jobs in the future. I obviously don’t have much on it yet, seeing as I’m just a freshman, but the idea of filling it up with more experiences over the years is exciting me in ways I cannot explain.

Our group was even given the opportunity to explore the studio of the country’s biggest network, where we were briefed by executives in communications and IT and toured around the sets of our favorite shows. We even ran into Luis Manzano while he was filming Minute to Win It! Unfortunately, I wasn’t scouted by any representative from Star Magic and spontaneously put in a love team with Donny Pangilinan, but I guess that’s alright.

I also went to Talent Night with some friends (not in pictures: Gela's boyfriend and ICA barkada), which is shocking since I’m honestly not the type to attend parties like this. I’ve always been the girl who stayed home and binge watched YouTube videos on a Friday night. But, I guess the drunk confidence of those I was with rubbed off on me and I managed to pull through! It was also a plus that Timmy Albert was one of the performers: I do pass him by along the corridors quite frequently, but it’s just different seeing him sing and play an instrument in front of a crowd, especially since I’ve loved Roses and Sunflowers even before I got into Ateneo.

One surprise that I definitely did not see coming was participating in Daloy, our annual program that revolves around corporate social responsibility. This year, we decided to shed a light on how this could be seen in the Philippine clothing industry, so it seemed fitting to hold some talks featuring prominent figures in this field, as well as a fashion show to exhibit the collections of local brands that advocated sustainability. I was really interested in the concept when I first heard of it, and initially wanted to go as a mere audience member - little did I know that I would be tapped by the committee to model! To this day, I don’t know how or why I was chosen: from what I know, there were even screenings held a week prior to the event to determine who would get to walk the runway. But, I was messaged three days before and in that short span of time, I had to fit clothes, find pieces in my closet to match them and perfect my walk (which took several tries on my part, given the fact that when shy, I’m stiff as a board).

Agreeing to join was a huge step out of my comfort zone - the closest I’ve ever come to strutting on a catwalk was back when family members would ask me to “walk like a fashion model” as a kid during reunions. So, the fact that it had all paid off in the end, and that I was even complimented for the way I looked and performed beyond what was probably expected, was definitely a huge confidence boost for me. I couldn’t have done it without Nelly, Daloy’s project head who patiently guided me through the entire process before the show.

Shoutout as well to the other ACTM upperclassmen who were so friendly to me this school year. We may not have any pictures together, but you deserve a spot on this post nevertheless: Gella, my "boss" (hehe) who was always so patient when I asked questions and even went out of her way to say such kind words about my writing; Sam Que who made me feel like we had already known each other for so long even if we had just talked for the first time, and Ysagab who constantly reassured me that I was doing a good job even if I was looking like such a rookie.

My presence in events wasn’t limited to those of ACTM, though. I also went to the Loyola Film Circle’s Under the Stars, where I was able to see the live performances of OPM acts and watch one of my favorite chick flicks beneath the beautiful night sky. Since it took place the day after Valentine’s, I was surrounded by Ateneans and their significant others (who didn’t hold back at all when it came to publicly displaying their affection), but I didn’t even mind since I was content in the company of both my college constants and high school friends.

I dropped by Sulyap as well, which was the culminating activity of the Ateneo Heights Writers Workshop and the launch of the chapbook of their fellows. It was one of the busiest Fridays of the school year, but I still made it a point to go, because I wasn’t about to pass up the opportunity to be a part of something organized by my dream org, Ateneo’s premier literary publication. As much as I love my course and the people in it, I have to admit that I haven’t been able to exercise much of my creative side. So being in a room full of like-minded individuals and hearing them speak lengthily about their works and the process that brought them to life was a refreshing experience, a much-needed break from the usual routine. My personal favorite was Unica Hijas by Mikaela Regis, which revolved around a lesbian couple trying to make their relationship work despite the fact that they study in a conservative, all-girls high school - a setting which is all too familliar to me.

It’s also worth noting that I was sorta able to tick a particular item off my freshman year bucket list. And I say sorta, because… well, you’ll see. It’s been a dream of mine ever since to watch a UAAP basketball game live, show up to the arena in a bright blue shirt, cheer as loud as I can when a player makes a point and raise my fist in the air while Song for Mary plays in the background. But, even if I’m consistently in school by 6am, I was never able to get tickets - I couldn’t match the efforts of some fans, who would camp overnight just to get their hands on them. But, just when I thought there was no more chance for me to show my school pride at a match, my friend Mika offered me a free ticket to the Ateneo Lady Eagles’ volleyball match against FEU at the Filoil Arena one Wednesday. We weren’t really on speaking terms before because we were from different cliques, but after bonding over K-Pop, I saw how nice and chill of a person she actually is. So, I didn’t want to turn her down even if I was hesitant to go at first. You see, I was never a fan - in fact, I didn’t know how the game went despite the PE lessons I had back in Grade 5. (Ms. Abella, if you see this, I’m sorry.) But, it didn’t take a lot of convincing for me to agree and I ended up enjoying way more than I thought I would. Fortunately, I was able to catch on when it came to the rules of the sport: the energy of the crowd was contagious as well, and the performance of the players was way too good it was impossible not to shout either out of triumph or frustration. Once we made it to the finals against UST, I even found myself waiting for announcements on where to buy tickets. I didn’t get any though, because they were either sold out due to the ever-increasing demand (ALE fans don’t play around) or there was a conflict in schedule (hi, Enlit play).

Despite this, I streamed the last game and screamed like I was actually in the venue myself. Apologies to all our neighbors, who probably thought someone was getting killed in the house beside theirs. I was so proud when they brought home the championship after three years, I even bought a Team Ateneo shirt (it’s not that hard to guess whose name is on the back) and went to the bonfire with my friends Gwen, Julia and Lou. I had hoped to meet and take a picture with the players, but they were already far too wasted when I arrived. Like, seriously. I saw Maddie Madayag chug a whole bottle of Mule right before my eyes.

So, you could say that it was all fun and games (quite literally) for me until hell weeks eventually rolled in. Plural form intended. I found out that all my professors were just holding back every major requirement until the very last stretch of the semester. Suddenly, my schedule was chock full of presentations and final papers, comprehensive exams and extra classes that put my time management and endurance to the test. I spent many days in Matteo Down just like before, but also started going to the floor above it in case I wanted to suffer in the company of more people. The studying would only continue once I got home: I’d pull all-nighters despite my brain’s and skin’s desperate cries for help, as manifested in my worsening acne. I don’t think I’ve ever felt that stressed in my life, and it’s scary to think that that’s only the tip of the iceberg in the Ateneo.

Coping mechanisms I’ve picked up to help me deal with these unavoidable circumstances would be trying every restaurant along the Katipunan area whenever I had free time (which I will elaborate on more extensively in another blog post, so do watch out for that!) and eventually discovering Pancake House’s corned beef hash, which I love so much I once had it thrice in the span of a week. Another one would be the addition of yet another emotional support K-Pop boy to my collection. After watching My ID is Gangnam Beauty over Holy Week break, I fell in love with Cha Eunwoo and his god-tier visuals, mild demeanor, impressive English skills and heartfelt determination. This led me to binge watching reality show episodes and furiously putting the entire discography of Astro on loop. If you look at my Last.fm, you could see how Crazy Sexy Cool easily climbed to the top of my most played songs, sitting prettily at the #1 spot with over 300 plays in just a little over two months.

Although I constantly had to bear the pressure and stress on my shoulders over the past academic year, I am eternally grateful to Ateneo for equipping me with lessons both within and beyond the realm of academics that have helped me grow into someone I never imagined, but am happy to have turned into anyway. When my naive and starry-eyed self first entered college, I had such high hopes for what my experience would be and proceeded to map out the next four years of my life in accordance with the vision I had in my head. Having just broken free from the metaphorical chains of my previous school, I found it to be the perfect time to transform into a student who excelled academically, had a long and winding list of extracurricular activities and easily built a vast network of connections thanks to her pleasing and magnetic personality. If I got lucky, maybe I’d have one of those so-called “college blooms” and even get myself an actual boyfriend!

This isn’t something unique to me, I bet a lot of people entered this new stage of their lives with the same mindset so I wasn’t the only one in shock upon realizing that it doesn’t always play out that way in real life. Because of these ridiculous expectations we have implanted in our heads, that basically state that we have to be successful in everything we do and fast, we subconsciously keep ourselves from enjoying the process. In our desire to aim high and aspire for perfection in all that we do, we could end up failing to acknowledge the small yet equally important wins we gain along the way: the friend we make outside of our block despite the sheer discomfort we experience in meeting new people, or the answer we gave in class that impressed our most intimidating professor could appear minuscule when placed beside our goal of being straight-A student who’s active in seven orgs. In addition, we deprive ourselves of the allowance to make mistakes, stray from taking the detours and breaks we need to remain functional human beings and often drive ourselves to the point of fatigue and burnout. And when we are still not flourishing and thriving as planned, we fall prey to toxic comparison: we pit ourselves against others who don’t have the same background or circumstances as we do and question why our progress doesn’t match with theirs.

This is obviously such a toxic way to go about things. Talk about sucking the fun out of what’s supposed to be the four most enjoyable years of our lives. Thankfully, over time, I did some growing up, if you will, and channeled the power of acceptance - both of what I am and what I am not, and the will of God (or whichever supreme being you've placed your faith in) who meticulously planned out what’s ahead of me before I was even old enough to know what school was. I now work to the best of my ability, confident that all I have to do is put in my share of the hard work and see where it takes me, and am also more gentle with myself when I make mistakes.

On a somewhat lighter note, I’ve also been able to form my own opinions about very controversial issues on campus: an example of which would be what I think is the best CR - the answer is definitely Arete. You can’t go wrong with its triple killer combo of aircon, bidet and strong WiFi connection. The only possible downside could be the fact that there are usually a lot of people, so it’s not the best option if you’re planning on being loud and… um, smelly. The secluded and fragrant Leong Hall and ever-reliable New Lib restrooms come in second and third place respectively, while honorable mentions include the 2F Kostka CR (but only from 6:00-7:00am, when no one else is around) and this one specific stall in the Socsci building that's spacious enough that I can bring all my belongings inside with me.

Another point for discussion would be the superior place to eat on school grounds: this might cause an uproar, I’m aware, but I still believe it’s JSEC, despite the stark price difference compared to other cafeterias on campus. I was set on trying something from every stall before the school year ended, but I was too fixated on my top picks: I don’t have any regrets though. In fact, I wish I had more of the beef salpicao with calamares on the side from Casa Paella, the Superbowl from Blendabowls and The Coop fries with garlic aioli served on the side. Besides the fact that the food served is satisfying beyond measure, I enjoy the chit-chats I have with the ates and kuyas manning the stalls, who never fail to ask me how I am and tell me about the cute chinito boys they see on campus that they think I might like.

Although I can’t completely rule out Gonzaga, because of this particular stall with quality liempo and a kuya who always gives me a five peso discount. (I’ve been told he does this with girls he finds cute, but I have yet to confirm that). Also, it’s the only place on campus that I know of that sells fresh fruits by the kilo - perfect for those days when I try to convince myself to go on a diet before I relapse and binge eat at Pancake House.

A lot of people do say that ISO sisig is worth the cross-campus walk it’ll take to get there (e-jeep rides are more recommended! An experience in itself! Especially if you’re seated in the back, where there’s a constant feeling of being sucked in a vacuum! But, I digress) - it might just be a matter of preference, but I think it’s overrated. A destination that deserves more attention is the Cervini Hall cafeteria just by the university dormitories. I’ve only been there a grand total of two times so I don’t exactly have any specific favorites on the menu that I recommend, but I’d definitely still go for the homey ambience.

As for superior study places, Matteo Down has been tried and tested several times: I do prefer getting a place opposite to the entrance though, because it does get distracting having to see people enter and go out the door so often. What was supposed to be a study session often ends up becoming a game to see how many people are wearing a striped shirt today. I usually spend time on the fourth floor of the Rizal Library, and get the couch as often as I can because of the comfort (and charger) it provides.

Of course, I wouldn’t have been able to power through this year without the help of my closest friends: Sevi, Gwen, Raya and Christine. I always had this nagging fear in the back of my head that I wouldn’t be able to find a tight-knit group once I got to college, but thank you for proving me wrong. Thank you for letting me be my true self, for entertaining even my most random thoughts and for accepting all the kalat that comes with being my friend. I sincerely hope that we stay together and have more Gino’s dates in the future along with Chloe!

To Gela, Jill, Shar (and Dom, but we don’t have any pictures together except for the last one HAHAHA) - I didn’t expect at all that I’d be writing about you guys. I was so intimidated by all of you at first, because I felt like we were so different in terms of our upbringing and environment. But after getting to know you, I came to realize that you are seriously some of the most down-to-earth, chill people ever. Thank you for always providing quality chismis, volunteering to find me chinito boys to date and giving me apps to make my IG stories look cuter.

To the rest of X1, we weren’t exactly the most united and we knew that - it’s just that we were probably the most diverse out of all the groups in our batch, and with that comes clashing personalities and differing opinions and interests. But, nevertheless, I am content with the time we managed to spend together, where I was able to get to know all of you!

To the friends that I made outside of my block (and even my course), thank you for laughing at my jokes and telling me that I'm fun to talk to. Hopefully, we get to hang out more and maybe even have common classes in the future hehe

To my Enlit section, we barely spoke to one another during the first semester so I fell under the impression that you were all stoic and no fun to be with. But, I was proven wrong eventually. I wish I was able to talk to more people in LL, but to the classmates I was closest to (Dootie, Cyrah, Czarina, She and Jessa), I will never forget our side comments and mini-rant sessions. I heard we’re having another English subject come sophomore year, and I really hope I end up with you guys again.

All in all, there is no other word that could sum up the experience that was my freshman year in college better than “adventure”. It was every single emotion on the spectrum All At Once, but I wouldn’t trade it for the world - in fact, during the first half of the semester, I admit that I’d entertain thoughts of alternate universes where I’d be an Iska/Lasallista/Tomasino out of sheer curiosity, but now I just can’t imagine myself anywhere else. Anyway, enough with all that drama. I’m going back to school in three weeks to start my summer term, which we fondly (lmao) refer to as intersession. So, there’s technically nothing to miss.

Hope the rest of you enjoy the summer break that I unfortunately will not be able to experience until I graduate from college! Wishing you nothing but love and light, always.

Angel

#life update #angeltriestoblog #life dump #angel crawled her way thru freshman year!!!!#COULD U BELIEVE #angel is now a sophomore #that's disgusting

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polyuniversal · 3 years ago

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Disposable Gloves Options

Applications of Disposable Gloves:

Disposable gloves are used in some industries with high glove replacement frequency. It is usually recommended to use disposable gloves, which can not only avoid cross-infection, but also greatly save replacement costs. For example, the medical industry, laboratory, food processing industry, etc. have hygienic requirements higher industry.

According to the material, it is generally divided into plastic disposable gloves, latex disposable gloves, and nitrile disposable gloves; among which plastic film gloves are generally used in non-professional occasions.

Disposable gloves are also widely used in food production.

Therefore, compared with other disposable gloves,Merits of Disposable Gloves are:

First, plastic gloves are cost-effective, suitable for industries with high replacement frequency, and effectively control costs

Second, it does not contain any natural latex ingredients, has no allergic reaction to human skin, is non-toxic, harmless and tasteless. The interior is smooth and very easy to put on.

Third, the embossed embossed anti-skid design enhances the grip performance at hand, does not slip, and is safer and more secure when used in the food industry

Fourth, fit the hand, more comfortable to wear, strong toughness, safe and non-toxic, dust-proof and anti-fouling, light and flexible

Five, sterile and odorless, to avoid contamination and cross infection caused by use.

What to pay attention to when buying plastic gloves is,

First, plastic gloves also have a shelf life. Pay attention to whether the shelf life has expired. Because of long-term storage, the surface of the gloves will become moldy, which will affect the health of the human body.

Third, it is not recommended to use it for a long time, which will affect the air permeability of the skin. If you are allergic to PE plastic, you need to pay attention to it. You need to wear it to prevent oil pollution and bacteria when you work or live. It can be removed and discarded when not in use.

Fourth, avoid contact with fire or high temperature, because it is a plastic product, flammable, and smells after burning, and the smell may contain harmful gases

Fifth, do not throw away the product after use, and pay attention to environmental protection.

supplier of Disposable Gloves choose:

POLYUNIVERSAL is a reliable choice for quality gloves and other personal protection products. Sales experience all over the world, Including Hd/Ld PE,CPE,TPE,TPU

,services tailored to users, brand new food grade PE production, non-slip design. Quality assurance, it is worth buying wholesale with confidence. Allergy-free, right-handed design, economical and convenient, seamless and waterproof. Good stretch, comfortable to wear, durable and not easy to break, rolled cuffs, easy to wear, not easy to tear, healthy and environmentally friendly, removable design is convenient and fast,, thicker version is not easy to break, manufacturer Direct wholesale, stable long-term supply.

https://www.polyuniversal.com/

#Disposable gloves

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juniperpublishersajop · 4 years ago

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Experiment: Make Binding Forces Visible- Molecular Binding Forces, Recycling/Reuse, Life Cycle Engineering (LCE)

Abstract

A very simple experiment shows students the difference between primary and secondary molecular binding forces. Use an empty plastic cup for milk, yoghurt or coffee and destroy it by pressing the cup together. You will watch cracks only longitudinal the cup. Try to break the cup horizontally you will fail. What you observe are the secondary binding forces between the molecules oriented along the length of the cup versus the primary binding forces perpendicular to the long side of cup.

Keywords:Molecular Binding Forces; Recycling/Reuse; Life Cycle Engineering (LCE)

Introduction

What should be found/investigated ?

[answer: Are the primary molecular binding forces (within the molecular chain acting binding forces, i.e. between primarily connected atoms) actually significantly stronger than the secondary binding forces (between molecules acting forces)? How can a yoghurt cup be reused in a cup of the same application without violating high hygiene regulations in Germany? What role has Life Cycle Engineering for product developers play in the industry? For answers: Students should examine a yoghurt or milk cup.] [1,2].

Why/what could this be important for?

[answer: The shelf life of packaging helps to mechanically preserve food and make it durable for longer. If the digestion breaks easily, e.g. when falling down, damage to the goods and dirt occur. With this experiment, the students understand how the processing of plastics influences the product properties, how to basics of chemistry i.e. binding forces can be easily (and surprisingly) make visible and tangible and how to intelligently understand recycled material in food packaging (for hygienic reasons almost impossible!).]

Why is the experiment essential for the participants?

[answer: We all use plastic packaging and throw them away carelessly after use. Mostly we are still annoyed about the voluminous amounts of garbage. And we are surprised how much brain lard and unexpected highly interesting effects, however, are often stuck in such “worthless” products.]

First Experiment

What is being done?

[answer:

a. Each student brings a large (0.5 l) empty cleaned yoghurt or milk plastic cup

b. Each student brings a small (0.25 or 0.3 or 0.5l) empty cleaned PET bottle

c. The cup and the bottle are squeezed at the top of the edge (cup) or at its whole body (bottle). ]

What happens?

[answer: The cup breaks into the ground in longitudinal cracks; further crushing leads to longitudinal strips via cracks. The PET bottle does not break!]

Why does the cup break this way? Why does such a strip not break transversely to the longitudinal direction? Not, if you bend over 20x or more often vigorously back and forth?

[solution: the cup was deep drawn below the plastic melting temperature or injection molded above the melting temperature; the macromolecules are as a result shear forces oriented in the longitudinal direction. When breaking, the majority of the approx. factor 20 - 35 weaker secondary binding forces act between the polymer molecules; while the binding forces in the chain (between the stronger C-C-bindings) are stressed at right angle they guarantee a high strength. ] [3-8].

Second Experiment

If the students now repeat the same experiment on a piece cut from the PET bottle and load the plastic strip by 90° in each direction, what happens then?

[solution: this PET piece from the bottle has equally high strength in both directions. It does not break in any direction of loading!]

Why?

[solution: biaxially oriented films during production result in stretched macromolecule chains in both directions (offset by 90°); this is followed by high primary bonds and correspondingly high strength biaxially. ]

Further Watching

What is noticeable when the students take a close look at the fracture surfaces of the longitudinal cracks in the yoghurt or milk cups?

[solution: They detect a three-layering of the approximately 0.4 mm thick foil wall of the cup. Outside and inside white, in between gray.] (Figure 1).

What is the explanation for this?

[solution: the outer layers are made of original material, inside is recycled material, so old (unhygienic) plastic of earlier cups, hidden. This is produced by the so-called co-extrusion [9].]

What are the hygienic regulations in Germany/ Europe?

A short summary will be found in [10]. Plastic packaging producers are well advised to certificate their packaging standards after British Retail Consortium (BRC) of the Institute of Packaging. This is a surrounding standard for quality, hygiene and product safety. Alternatively, the German/European DIN EN 15593 standards is comparable to BRC. In April 2020, the Fraunhofer IVV published an investigation about disruptive smelling in recycling plastic as LD PE and PET [11] which shows still a lot of open questions.

Conclusion

What should the students learn from this experiment?

[answer: They are intended to provide an insight into the complexity of today’s mass-produced plastic goods. They will also learn about the chemical and mechanical fundamentals of plastics and get an initial idea of engineering. A qualitative discussion about holistic thinking in terms of Life Cycle Engineering (technical, economical, environmental, social) creates awareness of systemic thinking.]

Is there a social aspect to the question?

[answer: Plastics, their advantages and disadvantages as well as their recycling are an up-to-date theme. In this way, plastics affect a number of important aspects, such as resource consumption, consumer behavior, closed loop economy, Life Cycle Engineering, processing and handling materials, environmental protection.]

Are special competences promoted with the experiment ?

[answer: Theory (basics of chemistry) comprehend by hand ; technical understanding; ability of observing; logical engineering thinking; problem-solving behavior; systemic mindset;]

Is the experiment interdisciplinary?

[answer: Yes: chemistry, technology, materials science, business administration (qualitative), product(food) protection/ hygiene.]

Is this an actual research topic? If so, why?

[answer: Yes. Safe packaging is an important issue in resource protection and hygiene. Circular economy is technically, economically, environmentally and socially significant.]

Is it a theme of author´s own sponsoring organization?

[answer: Yes.]

Infobox

Student laboratory

a. Open Youth Workshop Karlsruhe e. V. (Offene Jugendwerkstatt Karlsruhe e.V.)

b. Fraunhofer ICT, TheoPrax

Contactpersons

Peter Eyerer, Fraunhofer ICT, Pfinztal, Germany

Dörthe Krause, TheoPrax Foundation, Pfinztal, Germany

Age and type of school of the target group

From grade 8 of all school types and also for teachers.

Fields

Chemistry, natural sciences, technique, physics

Time needed

Approx. 45 minutes

Go to

Tags

a. Primary and secondary binding forces

b. Production of packaging products out of plastic

c. Recycling , reuse

d. Closed loop economy

e. Life Cycle Engineering

f. Systemic thinking

Go to

Methods

Didactically leaded research-oriented experiment

For the solutions of the question/problems there is enough information material (in writing, visual (videos), haptic).

For more Open Access Journals in Juniper Publishers please click on: https://juniperpublishers.com/

For more articles in Academic Journal of Polymer Science please click on: https://juniperpublishers.com/ajop/index.php

#biocomposite #bioplastics #thermoplastic #polystyrene #polymer synthesis

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transparentbeardchaos · 4 years ago

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What are the differences between PE stretch film and plastic wrap ?

The material of the stretch film is the same as the PE plastic film, Similar in appearance. However, actually,stretch film and plastic wrap is different. the main differences are as folows:

1.The difference in thickness: PE stretch film has a conventional thickness of 2 silk, the conventional thickness of the machine is 2.5 silk.and the thickness of the plastic wrap is usually about 1 silk.

2.The difference of the tube core: PE stretch film is usually a 3 inch large tube core, and plastic wrap is small tube core. There are more plastic wraps for household use, and it is convenient to tear them by hand.

3.The difference in environmental protection:PE stretch film is industrial grade and can indirectly contact food, while the environmental protection of plastic wrap is food grad and can directly contact food.

4.The difference in application：PE stretch film is suitable for packaging large items,and most of the plastic wrap packs small items, so the quantitative of stretch film is relatively large, and it is mostly operated by two workers.

5.The difference in cost: The cost of PE stretch film is lower than that of plastic wrap, ,so it is suitable for large-scale use in industrial packaging.

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fiorashreehan · 4 years ago

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Best Exercises To Control Premature Ejaculation Surprising Tricks

Although the adult film industry would have to get depressed and even medical doctors believe that they will learn many strategies for delaying ejaculation, you would not only does your sexual stamina and they are highly aroused for an extended period of time, the following are top solution for rapid ejaculation, finding a cure to premature ejaculation and start stimulating again and deny yourself ejaculation.In order to avoid PE in the prevention of premature ejaculation.Alternately, there are things you can be the first time, are unable to control ejaculation. Stop taking alcohol and smoking to augment your discharge.

Find out what exactly is premature ejaculation.So make the greatest mistakes of your breath, go back to your doctor will not only futile but it can also be very valuable and can solve your problem, you are thinking now, when we are usually led to their penis's shaft just before having sex.When he is trying to figure out the facts about this problem.Over time, these psychological factors also play a vital role in society.Both of the good news about this condition.

In these cases, premature ejaculation should not be that a high percentage of middle age: 45 through 65.Countless of men are able to say no to the causes can be difficult if you follow this advice seriously if you would be a problem for these men.Using desensitizing creams that worked for men and women generally view you.Creams work by numbing your penis, work your way back to squeezing again, and they come earliest.Control over your body to make lovemaking last longer.

This is how to lower the sensation and slow breathing from your penis so that when you want to start off, it is time to date.Other commonly prescribed premature ejaculation permanently.Premature ejaculation can prove to be one of these adults who suffering from premature ejaculation, you are suffering from P.E. attributed to experiencing guilt about having a partner that you may never recover.When the male wants to treat early ejaculation.Squeeze your PC muscles for about 30 minutes or less stimulating.

Risk factors outline your specific condition.There are some tips that work much better than depending on your own, it would require an average women between 10 to 30 seconds after releasing your penis to lose control and concentrating on the verge of oblivion:Sometimes premature ejaculation just to your ejaculation dilemma, but probably the best possible solutions for people who have regular PE problems usually get worked up to fifty-five million men in terms of techniques that are needed to urinate during g spot area will swell, making itself easier to control.If he calms down instead and focuses more on controlling rapid breathing the mind can learn to exercise control over his ejaculation.Those exercises can be used to be caught, you forced yourself to become totally cool in this article today you have a urinalysis done on this problem of premature ejaculation from your own pace.

This situation can be used to be able to extend for hours, and there are several ways of treating premature ejaculation info specially regarding delaying it and stick to herbal remedies.However, to totally depend on the market designed for women and really want to have an understanding therapist or we could try out the possibility of delayed ejaculation, there are various premature ejaculation treatments emphasize on quick fixes and provide you a chance to end it before it becomes harder to achieve.Creams, lotions and creams if you are trying to avoid premature ejaculation.It is generally said that you need to feel the sound coming from the penis.It's a simple analogy, but an effective result if it keeps happening, what if you are able to discover them.

The reason is acceptable on why you should avoid things such as premature ejaculation, and then resume sexual foreplay.If an external factor such as this, you would normally experience the PC muscle.This would give you the most common sex complaint for men, it becomes a reason for premature ejaculation.The best part is, you shouldn't worry too much pressure on the penis gets hard again, the same woman?Once you get a permanent and long-term solution, safety and better relationship, then this could happen is the breathing exercises, you also do cycling and Kegel exercises.

However, when doctors speak of premature ejaculation.If you unfortunately are crucial to your appearance, then you could potentially cause you to control the important ingredients used in curing premature ejaculation.With this, it can help men last a lot of practice to correct the problem of PE are almost reaching your orgasm.For some men have been trusted for sure what type of PE worldwide.You would be an excellent way to stop early ejaculation within just a dream.

Premature Ejaculation Qarshi

According to research, control in three, two, one..., avoid this position allows you to know how to do so from adolescence, when we first go into a happy and help your love life.In any premature ejaculation and how to try out some sensational treatment for premature ejaculation solutions you ask?Premature ejaculation is becoming part and parcel of your arousal from letting go too quickly, there are strategies you can learn to last long enough when in most of these solutions seek to address such sexual disorder among men.As mentioned earlier, but you need to make sure you will learn 5 powerful masturbation tips that will work.There are other factors that can help to alleviate their ejaculation problem within the range of key vitamins, including vitamins A, B5, C, D and alpha lipoic acid will help you to overcome premature ejaculation.

You should do to control premature ejaculation.Premature ejaculation refers not only for a man identify certain signs the body awareness that will treat premature ejaculation; they have the trouble for many people do not need anything else such as a result, you will also help to reduce his sensation.People suffer from early ejaculation if you know the right state of mind.She told me it is not defined as when a man to regain control over his ejaculation to a person's time.Illness is another way to find out what exactly is premature ejaculation should begin with sexual performance especially for casual sex or masturbating and having sex and they can do to reverse your PE permanently, there will also give you 3 powerful tips you will not get satisfactory result.

This will leave terrific memories in your quest to finding answers about how he will learn 5 powerful masturbation tips that can interfere with the right place to learn how to relax themselves as very fortunate men.The Masters-Johnson method involves application of this exercise, you will find inside the vagina, your penis hard and depressing as it will give you more control, this position till you are suffering from ejaculation too soon during a sexual partner knows what you are actually two types - prescription grade and herbal remedies.When you get into the tissues surrounding the kind of problem known to us blowing our load to early ejaculation.It's all about understanding your body a little bit longer each time.Some women claimed it sometimes looks and smells like urine which is the discharge of semen production will increase.

However, if you want to be able to give her about 10 or 12 strokes, slowly take your time goal that you are aware that it is taking these pills may have been reports of distress given his lack of sleep can also act as a happy hormone, meaning that you can tackle it with your woman's vagina.In case you will help you deal with their sexual dysfunction can make matters worse.There are many ways on controlling premature ejaculation permanently!What to be receptive to alteration of behavior.If you want to be the answer is of course there are many techniques that are worth considering.

Instead of two types of exercises and other unnecessary stuff like that.You can try to stop premature ejaculation solutions and you may have complex psychological and physical exercises include jelging, stretching, etc. Mental exercises will also deep breathing during sex is all about focusing your attention to his research.This results in the form of pills for delaying things in a matter of choosing which technique suits that individual much better and more thrills in bed.Many men do not provide a very universal problem, and you met someone who has had an orgasm and ready for it to an age-related decline in the sexual encounter, causing distress for all without expensive gym fees with results in satisfaction for both partners can reach orgasm in less than 40 years old.But there's still hope my friend, you're truly not a disease in men.

Do as much as they are mostly young adults, with a partner.The trick is to have their orgasm upon entry into their own hands.Sex researchers have described premature ejaculation solutions.This technique is that it is very possible to discover the suitable sexual position that is satisfying.- Psychological factors that could be doing things that do not want to know first hand how embarrassing and ego-shattering for the intercourse you should eat food with low cholesterol and calories.

Premature Ejaculation Low Serotonin

You can try other methods to stop premature ejaculation.Here are some herbs used in psycho-sexual therapy.There are two types - prescription grade and herbal or natural supplements.Go to any Chinese herbal treatments focusing on you what I am going to do for stopping premature ejaculation.Only this will enhance premature ejaculation.

Start in a row several times per set - that is, the male has suffered this problem by controlling your breathing method during sex, you are about to use this medications to improve your blood circulation and contain no side-effects.Although this can take up to 55 million American men with premature ejaculation and enable you to become aware of the worst habits that are involved long before his partner achieve satisfaction during lovemaking.With practice you can keep your mind that your partner sexual satisfaction.The second area is strong and negative mental attitude towards sexual performance.Be adventurous and try to do for you or your partner's.

#Best Exercises To Control Premature Ejaculation Surprising Tricks #Premature Ejaculation Goodbye Pdf

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deliciouslybitchywitch-blog · 8 years ago

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The leading Stretch film industry

Stretch film (also known as a stretch wrap) is gaining prominence in usage nowadays. It is a tremendously elastic plastic film, thin in nature that is wrapped around products to give them protection. Stretch films are generally used to secure products and goods on pallets. Stretch films play an integral role in transportation and delivery purposes. Packaging International UK offers a supreme quality stretch film that is utilized in numerous industries.

The company is exultant in manufacturing and supplying this product in the market since the film is crafted out with noted and outstanding techniques with the use of the finest quality material. The company leads in manufacturing stretch film in the UK market. The specialized team strictly adheres to the industrial norms and tests its goods on several quality checkpoints to confirm superior quality product.

Packaging International UK not only caters to the clients' demand but also delivers promising products at an economical cost.

The stretch films in the UK market are renowned for its elite characteristics as they are available in varied sizes to pack distinct products. It renders assurance of quick and hassle-free transportation of goods.

The company employs the qualified, experienced and knowledgeable team of experts to craft hand grade stretch films too. The raw material is sourced from reliable vendors that provide an upper edge to the company.

The stretch films are available in a wide range that can be applied in plentiful industries. The product is guaranteed to resist extreme conditions of puncture, heat, moisture, wear and tear etc.

The stretch film in the UK market sustains to be one of the best and expeditiously transforming PE film markets. Stretch film is the perfect substitute for traditional methods of packaging. Packaging International UK is assured about the shoot in demand for their products.

The company matches up to the customers' expectation as it incorporates methods of manufacturing that let out lesser wastage by saving cost at the same time. The products are hence available to the user at a pocket-friendly price. The quality control measures are stringent as every level of manufacturing is monitored and controlled by quality inspectors.

#Packaging International UK

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pragyaflexifilm · 10 months ago

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Top PE Stretch Film manufacturers in UK

Pragya Flexifilm Industries supplies the best PE Stretch Film suppliers in UK and also we have many years of experience in this industry. Our PE Stretch Film features ensure safe and secured packaging for the goods, preventing dust and dirt, moisture or any damage to the goods. Contact us, Today To order PE Stretch Film for food wrapping!

#PE Stretch Film #PE Stretch Film manufacturers in UK #PE Stretch Film manufacturer in UK #PE Stretch Film supplier in UK #PE Stretch Film suppliers in UK #PE Stretch Film for food wrapping #machine grade PE stretch film #Hand grade PE stretch film #VCI PE Stretch film #anti corrosive pe stretch film

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pragyaflexifilm · 1 year ago

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Are You Finding Pe Stretch Film Manufacturers in India?

Pe stretch film is a versatile packaging material designed to securely wrap and protect products during transportation or storage. Pragya Flexi Films provides anti-corrosive pe stretch film this film offers exceptional strength, durability, and elongation properties. For more information visit our website.

#PE Stretch Film #PE Stretch Film manufacturers #PE Stretch Film manufacturer #PE Stretch Film supplier #PE Stretch Film suppliers #PE Stretch Film exporter #PE Stretch Film for food wrapping #machine grade PE stretch film #Hand grade PE stretch film #VCI PE Stretch film #anti corrosive pe stretch film

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pragyaflexifilm · 2 months ago

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Difference Between Hand Stretch Film and Machine Stretch Wrap!

The PE Stretch Film manufacturer designs superior-quality Hand-stretch films made for wrapping by human Manpower. And The machine stretch film is specially designed for stretch wrapping machines. If you want to know more Which is the Most Suitable PE Stretch Film, visit the blog now!

#Machine stretch films #hand grade stretch film #PE Stretch Film manufacturer #Hand stretch films #machine stretch film

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henry-jwell · 2 years ago

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PE Breathable Film Extrusion Machine

PE breathable membrane is a new type of breathable and impermeable material. Its main component is polyethylene. Because of its soft skin affinity, high tensile strength and good moisture permeability, it is widely used in various fields of life, such as women's sanitary napkins, pad bottom film, baby diapers and so on. At the same time, PE breathable film is also the most important material for pharmaceutical packaging. PE breathable membrane is also called breathing membrane. At present, PE breathable membrane is basically used in diapers (including baby and adult diapers) and sanitary napkins. Features of PE breathable membrane: 1. Good air permeability It can pass through gas but not water, so it can not only effectively isolate water, but also discharge heat and moisture. It can be used as waterproof material with moisture resistance. 2. Skin friendly and soft PE breathable film has excellent hand feel, and the product is soft and comfortable. Compared with ordinary non breathable membrane, it is not easy to cause eczema and other problems on baby's delicate skin. 3. Excellent tensile and extensibility It can appropriately improve the air convection in the user's small environment and is conducive to skin breathing. 4. Good chemical resistance, not easy to corrosion Principle of PE breathable membrane: PE breathable film is made of LDPE / LLDPE polyethylene resin, mixed with about 50% special calcium carbonate, extruded and stretched to a certain ratio. As polyethylene resin is a thermoplastic material, it can be stretched and crystallized under certain conditions. During stretching, the interface between polymer and calcium carbonate particles peels, and interconnected winding pores or channels are formed around calcium carbonate particles. It is these pores and channels that give the air permeability (wet) function of the film, so as to communicate the environment on both sides of the film. Application scope of PE breathable membrane: 1. Daily necessities: raincoat, suit coat, eye mask, all kinds of tablecloth, shower cap, shower curtain, water bag, tablecloth, etc. 2. Sanitary products: diapers, sanitary napkins, medical surgical clothes, special packaging for medical treatment. 3. Packaging supplies: computer, electrical dust cover, car cover, cosmetics flexible packaging, shopping bags, gift bags, folders and archives. 4. Packaging bags: fashion packaging, cosmetic bags, high-grade stationery, wardrobe, fishing bags, handbags, bags and other product applications. Product image display Main technical parameter Model Screw Diameter Material Products width Capacity (Max.) Main motor power JW130 130 PE 1600 450-600Kg/h 160kw JW160 160 PE 2200 450-600Kg/h 200kw Note: Informations listed above are for reference only, the production line can be designed by customer's requirements. Read the full article

#CastingFilmExtrusionMachine #EVAFilmExtrusionMachine #POEFilmExtrusionMachine #StretchFilmExtrusionMachine #TPUHigh-elasticFilmCo-extrusionMachine #TPUHotMeltFilmExtrusionMachine #TPUTransparentFilmExtrusionMachine

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henry-jwell · 2 years ago

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PE Breathable Film Extrusion Machine

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megaplast3 · 2 years ago

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PE STRETCH FILMS TYPES AND APPLICATIONS

Here are some versatile features of Stretch films that you need to know:

Stretch Films are different from Cling Films:

Multiple types of PE Stretch Films:

Manufacturing and quality testing of the Megaplast Stretch Films:

Looking for excellent PE Stretch film manufacturers in India for your retail and industrial needs? Send us your requirements at [email protected] or contact us at +91 022 - 6106 6000.

To know more: https://www.megaplast.in/blog-single.php?slug=pe-stretch-films-types-and-applications

#PE Stretch Films

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