... Hardness:30--80 shore A 4)REACH, SGS Silicone rubber parts/rubber gasket Material NBR, NR, EPDM, FKM, SBR, ... &Plastic Supplier and Manufacturer---FSYOur main products are rubber parts,rubber gasket, rubber seal, silicone keypad,suction cup,gasbag ... main equipments are: vulcanizing machine, mixer, mixing machine, rubber cutting machine, the flow type finishing machine, secondary vulcanizing machine, ...