... )Size: All 3)MOQ: 1,000pcs 4)OEM & ODM available. silicone o ring Item#O-Ring SOR-M0005MaterialNBR, HNBR, NBQ, FKM ... , CR, PDFE, EPDM, SILICONE. ect.ColorAvailable in any color, according to customers’ requirementsWorking Temperature ... Gram, Western Union. Certificate We Owned: Capacity of our company: Colored Silicone O Ring With High Quality Approval