Use Smooth-On silicone mold making rubber for making perfect reproductions of original models. It is suitable for a variety of art-related and industrial applications including making molds for sculpture and prototype reproduction, casting plaster, resins, and wax. It captures intricate detail and is easy to use.
Mix the two parts one-to-one by volume mix ratios (no scale necessary). Very low viscosity for easy mixing and pouring, and vacuum degassing is not necessary. Condensation Cures at room temperature with negligible shrinkage. It has a 30-minute pot life, with a six-hour cure time.