... , S50C, 4140 Lead-time: 1-2weeks Compression rubber RC tire Mould WSR's mold workshop Description: 1. WSR ... hot runner and cold runner are available) types.3. The common mold steel we use are NAK80, ... mold making.8. Lead-time, prototype mold in 3-7days, production mold in 1-2weeks, complicated rubber ... A, for some special products, we can reach ±3 shore A toleranceColor: for rubber, usually black, for ...