Mold Max™ 14NV and 29NV do not require vacuum degassing. They offer low viscosity, fast cure and long library life. Mold Max™ 14NV and 29NV will reproduce the finest detail and are suitable for a variety of industrial and art related applications including making molds for reproducing prototypes, furniture, sculpture and architectural elements. They can be used to cast a variety of materials including wax, gypsum, low melt alloys/metals and urethane, epoxy or polyester resins. Important: Do not cast concrete into rubber molds made with this product. Concrete will not cure properly and inhibition will result.