... resistance and high vacuum resistance.2.Good electrical insulation, mechanical properties, chemical corrosion resistance, ozone resistance, weather resistance and ... time2-5 days Any enquiries, please feel free to contact us.Trade manager ID: cn1001751078Skype: tec-yuki.chiaT: 86 ... any items, please feel free to contact us, thanks. Details Show mechanical properties air compressor o ring HNBR FKM FPM ...