Mold Max STROKE Brush On Silicone Mold Making Rubber - Trial Unit Brushable Shore 30A Tin Silicone Rubber High tear strength mold making silicone Good for making molds used for casting resin, plaster and wax. Brushable formulation holds a vertical surface An infinite number of color effects can be achieved by adding Silc Pig silicone pigments or Cast Magic effects powders.