Denstone Modern Materials This is a premium gypsum product for dental modeling. It is indicated for the processing of full and partial acrylic dentures and counter models. Due to the use of superior raw materials and strict control in its manufacturing process, Denstone offers very consistent results. With extremely smooth and strong casts, this model stone offers the highest quality finish that is needed for the production of highly accurate and reliable dental models. Denstone has been formulated to fulfill the challenging requirements of the dental profession with unsurpassed accuracy and strength, making it perfect for quality assurance in every batch. Features and Benefits: Produces smooth, strong casts for high-quality dental models Accurate and reliable for precise results Strong and tough, allowing easy model trimming Available in four colors with a 25 lb pack Water/Powder Ratio: 30ml/100gm Initial Set Time: 8–10 minutes Compression Strength (Dry): 9,000 psi Expansion: 0.11%, Type: III Color Package Contains MFG Models# Yellow 25 LB carton 900-6175 White 25 LB carton 900-6172 Buff 25 LB carton 900-50046277 Blue 25 LB carton 900-50046279