... . 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:high/low temperature resistance,oil and fuel ... your drawings or samples.8, OEM or ODM is welcomed. Silicone Rubber Cover