Zhejiang Zhenghong Kitchenware Co., Ltd. will participate in HOMELIFE MEXICO 2026 starting September 8, 2026, at Centro Banamex. Visit us to discover our latest food storage containers, glass jars, lunch boxes, refrigerator organizers and kitchen organization products, and explore potential cooperation opportunities with our team.

Behind every great customer experience is a team that never stops learning.
As part of our weekly customer service sharing session, our colleagues come together

What are the different types of food grade plastic?
1.PET (Polyethylene Terephthalate)
2.HDPE (High-Density Polyethylene)
3.LDPE (Low-Density Polyethylene)
4.PVC (Polyvinyl Chloride)
5.PP (Polypropylene)
6.PS (Polystyrene)

The main difference between PET and PP plastic is that PET is formed through the polymerization of terephthalic acid and ethylene glycol, while PP is produced by the polymerization of propylene.
Polyethylene terephthalate (PET) and polypropylene (PP) are two types of plastic polymers with distinct characteristics. Understanding the differences between PET and PP is crucial for selecting the most suitable material for specific applications.

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