Cheng Concrete’s expanded line of mold-making supplies includes new polyurethane mold rubber choices for casting all types of projects and tooling epoxy options for thermal form molds.
Choices include Poly 74-20 Mold Rubber, a new, high-performance soft and very stretchy rubber that is great for casting wax, resin, concrete and plaster. Poly Poxy 1030 Epoxy Resin is a high-strength aluminum- and mineral-filled resin for layup or small castings. Poly Cure 1230 Epoxy Hardener can be mixed with Poly Poxy 1030 to create larger aluminum-filled epoxy castings (up to 8 inches) for vacuum forming and thermoforming applications.
(800) 877-6052
