... P20, S50C, 4140 Lead-time: 1-2weeks Compression rubber RC tire Mould WSR's mold workshop Description: 1. WSR ... parts, automotive rubber parts, toy tires, we are a leading rubber mould maker in China.5. We ... more)Hardness: 8 to 95 shore A, tolerance can be ±5 shore A, for some special products, we can ... reach ±3 shore A toleranceColor: for rubber, usually black, for silicone, ...