Castaldo Rapido

Rapido® is a L.T.V.(low temperature vulcanization) silicone mold rubber that has a very fast vulcanizing time of 15 minutes at 200°F for a 3/4″ frame (vs. 45 minutes of other L.T.V.s). Produces highly detailed wax injections with extraordinary surface quality with no need for mold release spray. Shrinkage is only 0.1%.