METHOD FOR PRODUCING WET GYPSUM ACCELERATOR
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
Oct 19, 2010
filing date -
Oct 19, 2010
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Abandoned
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Abstract
The present invention relates to an improved method of preparing wet gypsum accelerator comprising the use of dry gypsum having a median particle size of about 20 microns or less. In addition, the present invention relates to a method of hydrating calcined gypsum to form an interlocking matrix of set gypsum comprising the use of the dry gypsum. Furthermore, the invention relates to wet gypsum accelerator and set gypsum-containing compositions and products prepared by the foregoing process and method.
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