Make an impression mold in minutes! This silicone putty is a strong, flexible, food-grade mold-making material for plaster, concrete, wax, soap, low-melt metals, baking, chocolate, ice cubes, air-dry clay and resins. It’s ideal for use with Castin' Craft Clear Polyester Casting Resin and EasyCast Clear Casting Epoxy. It picks up tiny details, so it is excellent for small molds. The putty has a work time of three minutes and a cure time of 20 minutes. This two-component silicone putty is easy to use, odor free, nontoxic and FDA compliant. It is self-releasing, so you won’t need a mold release agent for most applications. High heat range, up to 400°F.