Sledgehammer Heat Cure Denture Acrylic Powder, Clear, 5 Pound Powder Only. Performs with excellence. Impact- and bend-resistant to avoid damage. Guarantees aesthetic results. Clear of cadmium. Sledgehammer Heat-Cure Powder works with the Liquid and is a cross-linked denture base that offers color stability, compatible with multiple injection systems. Available in four colors, including corresponding repair, pour, and microwavable substances.