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      網址:http://www.immo360vrc.com 手機頁面二維碼 2021-01-18 17:16:35    


      1 indicates that polyethylene terephthalate (PET) raw materials, such as beverage bottles, mineral water bottles and other thin plastic packaging are mostly made of this material. This kind of product is not resistant to high temperature, can not store oil and wine, has short service life, and the service temperature is lower than 70 ℃. If it is not used properly, the product will deform after long-term use, and release harmful substances of phthalate, which can be processed into industrial products for secondary processing, and has certain value The value of recycling.
      2 refers to high density polyethylene (HDPE) raw material, which is commonly used to store non edible products such as detergent, shampoo and shower gel. The product has high hardness and toughness at 100 ℃.
      3 refers to polyvinyl chloride (PVC) raw material, which is one of the commonly used materials for water pipes. The use temperature changes with the regular structure. This kind of plastic product will produce toxic medium when it is processed or at high temperature, and generally will not be used as food packaging.
      4 refers to low density polyethylene (LDPE), the main material of plastic film. It is used at low temperature, and will melt at 110 ℃. At the same time, it will dissolve harmful medium when encountering edible oil at high temperature, forming non decomposable substance for human body. Therefore, when using plastic film to keep food fresh, it must be removed before heating.
      5 refers to polypropylene (PP), a common material for disposable lunch boxes. This material is a rare high temperature resistant plastic product and can be used in microwave oven. However, before heating in microwave oven, the material of the cover should be determined. If it is made of PE, do not put the cover in.
      6 refers to polystyrene (PS), the main material of disposable tableware, the use temperature is between - 20 ~ 120 ℃, non-toxic and tasteless, so it is suitable for food grade containers, but be careful not to use in the microwave oven.
      7 is the general name of other plastic raw materials. It is marked with other below, such as PC, PA, water cup, nylon clothing, etc. it should be used reasonably according to the specific material characteristics to avoid releasing harmful substances to damage the body.
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