... shore A, for some special products, we can reach ±3 shore A toleranceo Color: for rubber, usually black, for silicone and EPDM, ... A, tolerance can be ±5 shore A, for some special products, we can reach ±3 shore A toleranceMOQSample orderPackageAs ... days 3)For some special molds, can be in 30days, especially for some automotive rubber moldsRemarkOEM & ODM products welcomed Silicone O-Ring/Seal/Gasket ...