Chlorinated polyvinyl chloride has good solubility, electrical insulating property, thermoplasticity and film property. It has stable chemical property, corrosion resistance, water proof, difficult to ignite; it can soluble in ketone, hydrochloric ether, aromatic hydrocarbon, ester and part of alcohol. It is widely used in the production of various corrosion resistant plastic products, adhesive and coatings, etc.