... 4.ROHS,UL,FDA,ISO9001:2008; 5,OEM Service Rubber Compressor Plug1, Material:NBR,CR,SBR,HNBR,ACM,EPDM,IIR,NR ... :Between 30~90 shore A3, Property:high/low temperature resistance,oil and fuel resistance,weathering resistance,Ozone resistance etc.4, Certification ... drawings or samples.8, OEM or ODM is welcomed Rubber Compressor Plug