The LSR-2 is a kind liquid RTV_2 tin/condensation cure mold making silicone rubber with two parts A is the silicone rubber base and part B is the condensation curing agent. Its mainly used for mold making. Its mixing ratio is 100:3, and generally 3% free catalyst would be offered. LSR-2 is in the hardness of about 15 shore A,then the application of LSR-2 would be used to make mold of the products within 30cm with simple patterns, such as the toys,PU crasfts, resin casting, candles, soap, snow tires, small concrete bricks, art works and similar products.