Rubber gasket: 1,good elasticity and tensility 2,long lifetime about 10 years Round rubber gasket : Name Round rubber gasket MaterialNR,SILICONE,EPDM,SBR,NBR,CR,BR,IIR etc SizeAs your requirement AdvantageAbundant experience,high quality but competitive price ColorAll colors are available Hardness30-80shore A ApplicationMainly used in sealing and shockproof Unit priceDepand on the details of ...