Rubber Buffer 1,FDA,ROHS certificated. 2,OEM service. 3,Ozone resistance,aging resistance,UV resistance. Rubber Buffer1, Material:NBR,CR,SBR,HNBR,ACM,EPDM,IIR,NR,EP,Silicone,Viton etc.2, Hardness:Between 30~90 shore A3, Property:high/low temperature resistance,oil and fuel resistance,weathering resistance,Ozone resistance etc.4, Certification:ISO9001:2008, ROHS,FDA5, Packing: plastic bag&carton ...