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Plastic raw Materials

Jan 11, 2018

Plastic material is a polymer (polymer), also known as polymers or giant molecules, is commonly known as plastic or resin. The so-called plastic raw material, in fact it is [synthetic resin] in a kind of shape and natural resin [pine resin] similar, but because of the chemical strength to synthesize, and is called plastic. This polymer is composed of many small, simple molecules that are combined by covalent bonding. There are many kinds of polymers, which can be divided into two categories if they are classified by the change of heat.