Ultracal 30

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LIMIT 5 BAGS PER ORDERULTRACAL 30 was designed to give the pattern making industry the ultimate in a gypsum cement-tooling medium. ULTRACAL 30 Gypsum Cement is a super-strength gyp sum cement recommended where extreme accuracy and greater surface hardness are required, as in duplicator models. ULTRACAL 30 cement has the lowest expansion of any rapid-setting gypsum cement available. Has a gradual set and long period of plasticity. Ideal for splash-casting molds and models for phenolic, polyester and epoxy resins.USG Material Calculator PropertiesTechnical Properties Mix Ratio by Weight 38 parts water : 100 parts powder Cure Time (hand mix) 25 - 35 min Compressive Strength 6,000 psi Technical Properties: Maximum Setting Expansion 0.080%Density Wet 115.0 lb/ft3Density Dry 99.0 lb/ft3Media USG PLASTER AND GYPSUM CEMENTS MIXING PROCEDURE Documentation Technical Bulletin Related ProductsRELATED PRODUCTS: Rubber Silicones Rubber Polyurethanes Show more