... performance ratio 3.OEM Product Description Item nameSilicone o ring food grade MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF ... best in the oil resistant rubber, good radiation resistance and high vacuum resistance.2.Good electrical insulation, mechanical properties, chemical ... Details Show low and high temperature resistancesilicone o ring food grade in mechanical parts HNBR FKM FPM VITON A VITON ...