Sealing gasket is a kind of sealing spare parts used in machinery, equipment and pipelines as long as there is fluid, which uses internal and external materials for sealing. The gasket is made of metal or nonmetal plate and is made by cutting, stamping or cutting. It is used for sealing connection between pipes and parts of mechanical equipment.

According to the material, it can be divided into metal sealing gasket and nonmetal sealing gasket.

Metal gaskets include copper gaskets, stainless steel gaskets, iron gaskets and aluminum gaskets.

Non-metallic ones include asbestos gasket, non-asbestos gasket, paper gasket, rubber gasket, etc.