... ratio 3.OEM Product Description Item nameSilicone o ring food grade MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT, ... , high temperature resistance, chemical corrosion resistance of sealing materials in defense industrial airplanes and rocket, hose or other parts and ... Details Show low and high temperature resistancesilicone o ring food grade in mechanical parts HNBR FKM FPM VITON A VITON B GF ...