Ultra-light cementitious compositions and related methods
AssigneeUnited States Gypsum Company
InventorsDennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell, Gary Franklin Miller, Raymond A. Kaligian
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Abstract
An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.
Claims4
An ultra-light self-drying composition comprising calcium sulfate hemi-hydrate and cement, where the cement is a combination of white and gray cement at a ratio of calcium sulfate hemi-hydrate to the cement of 75% to 25% respectively, and wherein the composition further comprises at least one filler, wherein the filler includes one or more of the following:
- expanded coated perlite, expanded uncoated perlite, shale, borosilicate glass spheres, light weight fly ash, expanded polystyrene balls, or any combination thereof.
Dependencies are inferred from the claim text.