Scope of application:

　　It is applicable for all kinds of corrosive chemicals, including strong corrosive liquids (such as liquid strong alkali, hydrochloric acid and sulfuric acid), organic solvent and liquid nitrogen, etc. It is applicable to the industrial fields of petroleum, chemical industry, chemical fiber, coal cutting, generating power and metallurgy, etc. It especially adapts to the sealing for high pressure valve, plunger pump, stirrer and mixer, etc.