Method of forming a gypsum based product
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United States of America Patent
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Jan 26, 2016
Grant Date -
Dec 25, 2014
app pub date -
Dec 13, 2012
filing date -
Dec 15, 2011
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Abstract
A method of forming a gypsum based product is disclosed. The method comprises the steps of: calcining a mixture of water and gypsum under conditions of raised temperature and pressure within a vessel to produce an alpha-hemihydrate slurry therein; passing the alpha-hemihydrate slurry from the vessel to a mixer for mixing with additional water to produce a settable slurry, which is arranged to set to form the gypsum based product.
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