Joke Collection Website - Bulletin headlines - The company is going to order some slogans, but we don't know what materials are available and what materials are good.
The company is going to order some slogans, but we don't know what materials are available and what materials are good.
PVC material:
PVC material is polyvinyl chloride, which is one of the largest plastic products in the world. It is cheap and widely used. PVC resin is white or light yellow powder, which cannot be used alone and must be modified. PVC is a white powder with amorphous structure, with small branching degree and poor stability to light and heat. Different additives can be added according to different uses, and PVC plastics can show different physical and mechanical properties. A variety of hard, soft and transparent products can be made by adding a proper amount of plasticizer to PVC resin.
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