... exposures, pressures and temperatures. Size:These can be manufactured in various sizes according with client required. We have our ... we manufacture rubber parts as per your designs (drawings). Applicable material: SIR, NBR, CR, NR, SBR, EPDM, FKM, IIR, ... BR etc.. Performance for rubber o ring:Durable in liquid material, mineral oil and lubricantGood resistance to agingGood electric insulationHigh ...