... . 2,OEM service. 3,Ozone resistance,aging resistance,UV resistance. Rubber Seal Grommet1, Material:NBR,CR,SBR,HNBR, ACM,EPDM,IIR,NR ... ,Ozone resistance etc.4, Certification:ISO9001:2008,ROHS,FDA5, Packing: plastic bag&carton box or according to your requirements.6,Application ...