all kinds of rubber gasket in different rubber material ,widely used ,good in quality with competitive price 1.Product Item:rubber gasket(rubber o-ring,rubber ring)2.Materials available in Silicone, NBR,NR,CR SBR,EPDM etc Standards: GB,ASTM, DIN, EN, BS, JIS, ISO3.Dimension: Φ55×10mm;or make as per your specification4.We choose various sizes and materials to satisfy many kinds of industry needs ...