... sponge EPDM, PVC Extruded or co-extruded seal; OEM servic bead profiles:Material: Solid and sponge EPDM, soft PVC, hard PVC ... widely used in various kinds of industry, including auto parts, doors, window, machine and construction industry. Rubber seal could work during ... rubber seal and composite rubber seal.5. Production technics: Extruded. bead profiles