Colored Silicone O Rings: 1,Shipment: as customized 2,MOQ:10000pcs 3,Material: silicone 4,OEM & ODM warmly welcomed Silicone Rubber O Ring:1) ... resistance,2)abrasion resistance, 3)UV-resistance,3)Ozone resistance Silicone Rubber O Ring:1)Material: SILICON, NBR, SBR,NR ... Seal Material NBR, HNBR, NBQ, FKM, CR, PDFE, EPDM, SILICONE. ect. Color Available in any color, according to customers’ requirements ...