... machineray auto parts fitting for auto SpecificationsDIRECT FACTORY of rubber products: 1) OEM service; 2) Aging, High & low temperature ... , 3) UL and SGS certification;Features of our silicone rubber products;· Working temperature: -100 to +300 degrees;· Hardness: 25 ... FKM, LAS, FVMQ, FFKM, PTFE, PU, ECO, IIR, ACR.· Color: Regularly black, red, blue, yellow for rubber material, for silicone ...