Silicone rubber product 1.material:comply to silicone and rubber 2.packing:carton 1.Compression/transfer/injection(both hot runner ... design prior to mold making.4.Material: comply to RoHS, silicone or rubber (NR, SBR, NBR, EPDM, CSM, CR, HNBR, VITON, AFLAS ... and more).5.Color: for rubber, usually black, for silicone, can be in any color as you want.6 ...