... NBR,VITON,SILICON,NR ... 2,different size 3.samples for free Detailed Product Description Material: NBR, silicon rubber, fluorin rubber, ... material and the detailed design Others of Hydraulic Rubber O-Ring : TemperatureCommon: -60~100 degree centigrade;HNBR (-30~150), EPDM ... Large quantity, sea/air freighthigh quality Hydraulic Rubber O-Ring leading with different colors, below the pictures for your ...