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表示高密度聚乙烯（HDPE）原料，常用于存放洗滌劑、洗發水、沐浴露等非可食用品，產品使用溫度為100℃，硬度韌性都較高。

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表示聚氯乙烯（PVC）原料，水管常用的材質之一，使用溫度隨規整結構變化而變化，這種塑料制品在加工或高溫時會產出有毒介質，一般不會作為食品包裝。

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表示低密度聚乙烯（LDPE），塑料膜的主要材質，使用溫度低，110℃會發生熱熔，同時高溫下遇到食用油也會溶出有害介質，形成人體不可分解物質，因此用塑料膜保鮮食品時，加熱前一定要取下。

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表示聚丙烯（PP），一次性餐盒的常見材料，這種材質是少見的可耐高溫的塑料產品，能夠放在微波爐使用，不過在用微波爐加熱前，要確定蓋子的材質，如果是PE材質的不要把蓋子也放進去。

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表示聚苯乙烯（PS），一次性餐具的主要材料，使用溫度為-20~120℃之間，無味，因此適合做食品級容器，但是注意不要在微波爐內使用。

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是其他塑料原料制品的統稱，下面用OTHER標示，如PC、PA等，水杯，尼龍衣物等均有涉及，要根據具體材質特點合理使用，避免釋出有害物質損害身體。

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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