... NBR, SBR, EPDM, IIR, CR, SILICONE, VITONHardness20~90 Shore APackingInner-Plastic Bag; Outer -Standard Carton Box.UsageAll kinds of cars, machinery ... miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment and gifts, and moreQuality ControlConducted by ISO/TS16949 ... all over the world.Production workshopRubber mixing machineProduction machineThe molds