1.New products for 2013 2.Professional manufactory 3.Free sample with certificates 4.Best price 5.Many design New products for 2013 1.Materails:silicone and rubber (EPDM, also NBR, SBR, CR, NR, etc),as your request , Environmental Friendly2.Application:automotive,interphone,machinery,the tires of toy car,LED screen.etc3.Hardness: 30 to 90 shore A or IRHD, tolerance can be +/-5 shore A, for some ...