X rings are manufactured according to various International Standards viz. AS-568A, DIN 3771, BS 1806, SMS 1586, METRIC, JIS 2401, AS, AN, AMS, NAS, BS, Custom & Special Standards etc.
X Rings Are Also Manufactured From Over 15 Polymers Which Include Nitrile (NBR), Fluorocarbon (FKM), Silicon (VMQ), Fluorosilicone (FVMQ), Polyurethane, PTFE , Natural Rubber (NR), Ethylene Propylene (EPDM), Hydrogenated Nitrile Rubber (H-NBR), Carboxylated Nitrile Rubber(X-NBR), Styrene Butadiene Rubber (SBR), Perfluoroelastomer (FFKM), Chloroprene (CR).