At Yuezheng we create a lot of cool products from various types of plastic. Moreover, plastic is ubiquitous around us! PE AND PP are two specific plastics that are often used by us. Now, let’s briefly understand how these plastics are special and what are their differences.
PE means polyethylene. It’s the flexible and bendy plastic we use to make plastic bags, food wrap and squeeze bottles. (If you’re wondering, PE stands for polyethylene — think the plastic bag you grab at the grocery store!) It is flexible plastic which can stretch and move. Picture this: PE is working its magic like a plastic bag you scrunch up and finally release.
PP means polypropylene. This plastic is tougher and stronger than PE. What we make with PP includes vehicle components, large storage containers, and some toys. But if you scan your kitchen, you may find PP in food containers or bottle caps. PP is used where better reheatings resistances than PE are necessary, owing to its good performance in keeping heat.
Now, let’s take a peak inside these plastics! PE consists of long, billions of chain tails of tiny carbon bits. PP has shorter marshalled carbon chains. Hence why PP is sturdier and more heat resistant. PE is like a long stretchy rope and PP is like a thick strong rope.
Consider what you want to produce when choosing between PE and PP. Do you require soft material which can fold? Choose PE! Do you need something tough that can take the heat? Choose PP! It’s akin to choosing the appropriate tool to do a job.
Scientists constantly develop new methods to improve on these plastics. They are even creating plastics that degrade more rapidly to be kinder to our planet! Things like plastics that don’t linger for hundreds of years? How cool is that?
I'm Yuezheng, and we love to create the best plastics for everyone. We strive to produce strong and useful plastics that allow people to do great things. Just ask us for help in choosing the right plastic. We are always willing to explain and assist.
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