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Plastic tableware can be divided into the following types:
1.Plastic tableware is often used as mineral water bottles, cola beverage bottles, juice bottles, etc. Because it can only heat 120°C, it is only suitable for cold and warm drinks. It will deform if it is filled with high-temperature liquid or heated.
2. High-density polyethylene (HDPE), suitable for bottles of food and medicine, cleaning supplies and bath products, shopping bags, trash cans.
3. Polyvinyl chloride (PVC) is made from the polymerization of vinyl chloride. Polyvinyl chloride plastics at high temperature and in contact with grease easily release phthalates and incompletely polymerized toxic vinyl chloride monomers. The cling film made of polyvinyl chloride has good transparency, is not easy to break, has strong adhesion, and is low in price. It is the film that we see in supermarkets and hypermarkets that sticks very firmly on boxes. According to its characteristics, it is only suitable for the refrigeration and preservation of vegetables and fruits. It is not suitable for meat, cakes and other foods containing more fat, and it is not suitable for microwave heating.
4. Low-density polyethylene (LDPE) plastic film and cling film have good water barrier properties. Therefore, paper milk cartons, beverage boxes and other packaging boxes use it as the inner film. Because the low-density polyethylene cling film will melt when it exceeds 120℃, if you use the cling film to wrap food and heat it, the oil in the food will melt some of the ingredients in the cling film. Therefore, you need to keep it fresh before entering the microwave. Remove the film, at least not allow food to directly contact the plastic wrap. Low-density polyethylene itself does not have degradation properties, and the current "plastic limit order" mainly restricts it.
5. Polypropylene (PP) is polymerized from propylene. It is more transparent than polyethylene and harder than polyethylene. Most packaging boxes in restaurants are made of it. The plastic boxes made can be heated in a microwave oven.