... GFLT,GLT,AFLAS,HNBR... ColorRed, blue, pink,white, black, any color is availibleSizeNormal size,or customized size is ... resistance and high vacuum resistance.2.Good electrical insulation, mechanical properties, chemical corrosion resistance, ozone resistance, weather resistance ... high temperature resistancesilicone o ring food grade in mechanical parts HNBR FKM FPM VITON A VITON B ...