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اخبار و مقالات |
![]() |
اخبار و مقالات |
Products designed with plastic injection Classification of plastic species • Low density polyethylene Polyethylenes are the most widely used plastics in the world. This type of plastic has the most common chemical structure of plastic polymer, which makes it very ordinary and cheap to process. • Polypropylene Polypropylene is more resistant to heat and is […]