Plastic

Plastic In wikipedia, Plastic is a material consisting of any of a wide range of synthetic or semi-synthetic organics that are malleable and can be molded into solid objects of diverse shapes. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. In Chinese, Plastic is a monomer as raw material, through the addition polymerization and polycondensation reaction of polymerization of polymer compounds (macromolecules), commonly