Smooth-On Mold Star 31T Silicone Mold Making Rubber - Trial Unit

Smooth-On Mold Star 31T Silicone Mold Making Rubber - Trial Unit

Regular price $53.94 $44.95 Sale

Mold Star 31T cures into a soft, strong rubber that is tear-resistant and exhibits very low long-term shrinkage. Molds made with Mold Star will last a long time in your mold library and are good for casting wax, gypsum, resins, and other materials. Cured Mold Star silicones have been tested and certified skin safe by an independent laboratory.