In their simplest form, these two components, the prepolymer and curative are the only chemicals in the mix. The mixture is then poured into a heated mold where the components react to form a solid elastomeric piece. In general, designing for casting polyurethane is identica...
The thermoset polyurethane resin mix can be prepared using commercially available polyurethane 2-part resin systems. Some suppliers of the polyurethane 2-part resin systems include Bayer MaterialScience LLC of Pittsburgh, Pa., Huntsman Advanced Materials of France, BSAF—The Chemical Company of German...