1, Shipment: as customized 2, MOQ: 10000pcs 3, Material: silicone 4, OEM & ODM warmly welcomed FDA sealings silicone o ring 1) High and low temperature resistance,2) Abrasion resistance, UV-resistance,3) O zone resistance Silicone Rubber O Ring:1) Material: SILICON, NBR, SBR, NR, EPDM, IIR, EP, CR etc2) Waterproof and Oil resistant.3) Highly durable and good sealed4) It's innocuous and safe and ...