Customized Silicone Rubber Products 1,FDA,ROHS certificated. 2,OEM service. 3,Ozone resistance,aging resistance,UV resistance Customized Silicone Rubber Products1, Material:NBR ... ,CR,SBR,EPDM,HNBR,ACM,IIR,NR,EP,Silicone,Viton etc.2, Hardness:Between 30~90 shore A3, Property ...