Method of manufacturing a water-resistant gypsum composition
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United States of America Patent
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Aug 4, 1992
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N/A
app pub date -
Jul 27, 1990
filing date -
Jul 27, 1990
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Abstract
A method for incorporating siloxane into a water-resistant, gypsum-based article is disclosed, comprising, (A) adding said siloxane to water; (B) mixing said siloxane/water mixture with calcined gypsum to form an aqueous slurry; and (C) allowing said slurry to set to form a set gypsum-based, water-resistant article.
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