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What is the modification technology of modified plastics?
2021-11-26Modification technology includes physical methods such as blending, filling and reinforcement and chemical methods such as copolymerization and crosslinking. Physical methods are impo
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The symbol of a triangle is usually at the bottom of the plastic film container
2021-11-26Each plastic film container has a small ID card and a triangular symbol, which is usually at the bottom of the plastic film container. There are 1 ~ 7 numbers in the triangle, and ea
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What is the difference between toxic and non-toxic plastic bags?
2021-11-26The existence of plastic bags not only facilitates people's life, but also brings a series of problems to mankind. For example, some toxic plastic bags will endanger human health. When
