... . 2,OEM service. 3,Ozone resistance,aging resistance,UV resistance. High Temperature Rubber O Ring1, Material:NBR,CR,SBR,EPDM,IIR,HNBR ... , Property: high/low temperature resistance,oil and fuel resistance,weathering resistance,Ozone resistance etc.4, Certification:ISO9001:2008,ROHS,FDA5, Packing: plastic bag ...