... . 2,OEM service 3,Ozone resistance,aging resistance,UV resistance. Silicone Rubber Cover1, Material:NBR,CR,SBR,EPDM,IIR,HNBR,ACM ... ,NR,EP,Silicone,Viton etc.2, Hardness:Between 30~85 shore A3, Property ... .4, Certification:ISO9001:2008,ROHS,FDA5, Packing: plastic bag&carton box or according to your requirements.6, Application:electronic field, industrial ...