... price performance ratio 3.OEM&ODM Product Description Item nameAir compressor o ring MaterialSilicone,,FKM,FPM,VITON A, VITON B ... rubber, good radiation resistance and high vacuum resistance.2.Good electrical insulation, mechanical properties, chemical corrosion resistance, ozone resistance, ... to contact us, thanks. Details Show mechanical properties air compressor o ring HNBR FKM FPM VITON A VITON B ...