... ,2)abrasion resistance, 3)UV-resistance,3)Ozone resistance Silicone Rubber O Ring:1)Material: SILICON, NBR, SBR,NR,EPDM ... service with your own logo!Feature Seal Material NBR, HNBR, NBQ, FKM, CR, PDFE, EPDM, SILICONE. ect. Color Available in ... for your visiting,we can also supply any other seal and fasten products you might looking for ,like rubber ... us.we will do our best to satify you. Silicone o rings