Rubber Silicone Gasket 1,FDA,ROHS Certificated. 2,OEM service 3,Ozone resistance,aging resistance,UV resistance Rubber Silicone Gasket1, Material:NBR,CR,SBR ... ,HNBR,ACM, EPDM,IIR,NR,EP,Silicone,Viton etc.2, Hardness: Between 30~90 shore A3, Property ...