塑料制品材质分类大全（Classification of materials for plastic products）.docVIP

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塑料制品材质分类大全（Classification of materials for plastic products）.doc

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塑料制品材质分类大全（Classification of materials for plastic products）

塑料制品材质分类大全（Classification of materials for plastic products） Classification of materials for plastic products Containers in the bottom of the triangle in 1-7 figures, representing different plastic materials, and these plastic material number is to identify its safety important basis. 1-PET (bottle) A container made of this material is the most common, such as mineral water bottles, soda bottles, commonly known as bottles. The material has a heat resistance of only 70 degrees. It is only suitable for holding warm drinks or cold drinks. High temperature liquid or heating can produce substances harmful to human body. 2-HDPE (HDPE) Cleaning supplies plastic containers and daily use of plastic bags are made of such material, resistant to high temperature of 110 DEG C, so it can be used to contain food, and can be used in cleaning after careful. However, since these plastic containers are usually not easy to clean, it is better not to recycle them as food containers. 3-PVC (polyvinyl chloride) The plastic products of this material are mainly made of water pipes, raincoats, plastic films, plastic boxes and so on. It is easy to produce carcinogens such as single molecule vinyl chloride and plasticizer. Therefore, if the container for this material is used for packing food, never heat it. It is better to stop eating. 4-LDPE (low density vinyl) Plastic bags can be seen everywhere in LDPE manufacturing, the material is not strong heat, in the temperature of more than 110 degrees, there will be hot melt phenomenon, if wrapped with plastic wrap food heating, will dissolve harmful substances. Therefore, the food into the microwave oven before, to remove the cling film. 5-PP (PP) The microwave oven lunch box is made of this kind of material, and the heat resistance can reach 130 DEG C at high temperature. It is the only plastic box which can be put into the microwave oven. It can be reused after cleaning. Note that some of the microwave oven box, box with 5 PP production material