... gasket mold design 4.OEM OEM MOLDED RUBBER PRODUCTS Features:1. Materials advice: silicone and rubber (EPDM, also NBR, SI, HNBR, ... , tolerance can be ±5 shore A, for some special products, we can reach ±3 shore A tolerance.8. High ... , tolerance can be ±5 shore A, for some special products, we can reach ±3 shore A tolerance.8. High ... strength carton outside, or as your request. OEM molded rubber products