2.high-density polyethylene (HDPE), suitable for food and medicine bottles, cleaning supplies and bath products, shopping bags, trash cans.

3.Polyvinyl chloride (PVC), which is formed by polymerization of vinyl chloride. High temperature and contact with grease. Polyvinyl chloride plastics tend to release phthalates and toxic vinyl chloride monomers that are not fully polymerized. The cling film made of polyvinyl chloride has good transparency, is not easy to be broken, has strong adhesion, and has a low price. It is a film that is firmly adhered to the box that we see in supermarkets and hypermarkets. According to its characteristics, it is only suitable for the cold storage of vegetables and fruits. It is not suitable to put foods containing more fat such as meat and cakes, and it is not suitable for microwave heating.

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