Mold Max 10 Silicone Mold Making Rubber - Trial Unit Soft Shore 10A Tin Silicone Rubber Will reproduce the finest detail Good for making molds used for casting resin, plaster and wax. Can be thickened with Thi-Vex thickener for brush-on application and effects. An infinite number of color effects can be achieved by adding Silc Pig silicone pigments or Cast Magic effects powders.