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PVC stands for polyvinyl chloride, or PVC (Polyvinyl chloride) in English. It is a vinyl chloride monomer (VCM) in peroxides, azo compounds and other initiators; or under the action of light and heat, it is polymerized by free radicals. Polymers formed by reaction mechanism polymerization. Vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resin. The material is an amorphous material. In actual use, PVC materials often add stabilizers, lubricants, auxiliary processing agents, pigments, impact agents and other additives. It has non-flammability, high strength, weather resistance and excellent geometric stability. PVC has strong resistance to oxidants, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated and concentrated nitric acid and is not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.
