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