15years experiences making silicon rubber mould and rubber products, rubber samples can be ready in 7-10days. WSR's mold ... to run mass production. WSR's rubber workshop Description: Description: Material: comply to RoHS, silicone or rubber (NR, SBR, NBR, EPDM, CSM, ... CR, HNBR, VITON, AFLAS and more)Hardness: 8 to 95 ...