Video demonstrates proper mixing and application procedure of hand mix urethane foam. Industrial Polymers Corporation USA manufactures rigid 3 pound density slow rise urethane molding foam sold in small 2 gallon kits or larger 10 and 100 gallon kit sizes call 713-943-8451 for pricing. Video demonstrates how product can be used to fill a silicone rubber mold. https://www.industrialpolymers.com/products/rigid-molding-foam/