... Co., Ltd. Dali Branch specializes in producing silicone rubber products rubber products (NBR, EPDM, SBR, etc.) which sell well at home ... )abrasion resistance, 3)UV-resistance,3)Ozone resistance Silicone Rubber O Ring:1)Material: SILICON, NBR, SBR,NR,EPDM,IIR,EP,CR ... . We can provide OEM service with your own logo!Feature Seal Material NBR, HNBR, NBQ, FKM, CR, PDFE, EPDM, SILICONE. ect. Color ...