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PVC is a white powder with an amorphous structure, a small branched degree, a relative density of about 1.4, a glass transition temperature of 77~90℃, decomposition starts around 170℃, poor stability to light and heat, above 100℃ or by long time sunlight exposure.

Polyvinyl chloride, abbreviated as PVC, is a vinyl chloride monomer in peroxide, azo compounds, and other initiators. They can be polymerized under the action of light and heat by the free radical polymerization reaction mechanism, then polymerized into polymers.