Rubber gasket is a sealing part which is applicable to movement or sealing of liquids, gases, chemicals, foods, pump and valve or into the joined objects. Rubber gaskets are used for tight seals between two or more components with wide range of rubber materials including EPDM / SILICONE / VITON /NBR / NR/ CR/SBR/HNBR/FDA SILICONE ,with the properties of oil ,acid and alkali,heat and aging resistance, therefore they are widely used in automotive, electronic, chemical, animistic, flame retardant, food and other industries.