... . 2,OEM service 3,Ozone resistance,aging resistance,UV resistance Rubber Buffer Product1, Material:NBR,XNBR,SBR,EPDM,IIR,NR,EP ... ,Viton etc.2, Hardness:Between 30~90 shore A3, Property:high/low temperature resistance,oil and fuel resistance,weathering resistance,Ozone ... your drawings or samples.8, OEM or ODM is welcomed. Rubber Buffer Product