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Question:

What types of plastics do you have?

What types of plastics do you have?

Answer:

Plastic refers to the organic synthetic resin as the main ingredient, adding or not adding other synthetic materials (additives) made of artificial materials
According to the molecular structure and thermal properties of synthetic resins in plastics, plastics can be divided into two types, thermoplastics and thermosetting plastics.(1) the characteristics of thermoplastics1) the resin molecules are linear or branched.2) softening when heating, when reaching a certain temperature, melting state, become a flow of viscous fluid, under certain pressure can be shaped into a certain shape, after cooling can maintain the shape has been formed. If heated again, it can be softened, melted and formed again and again.3) in the process of heating and cooling, it is mainly physical change, and in a few cases there are chemical changes.
It is usually a plastic device with a certain shape under heating and compression. Plastics are polymers of artificial organic compounds with plasticityThe following are common materials: PE, PP, PVC, PS, PMMA, EVA, ABS, PC, POM, PA, PET, PBT, PPO

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