Rubber Vibration Bumper 1,FDA,ROHS certificated. 2,OEM service. 3,Ozone resistance,aging resistance,UV resistance. Rubber Vibration Bumper1, Material:NBR,CR,SBR,EPDM,IIR,NR,EP,Silicone,Viton etc.2, Hardness:resistance,oil and fuel resistance,weathering resistance,Ozone resistance etc.4, Certification:ISO9001:2008,ROHS,FDA5, Packing:plastic bag&carton box or according to your requirements.6, ...