Gypsum board comprisiing linings made of glass fiber non-wovens coated with an inorganic cement binder
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United States of America Patent
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Mar 7, 1995
Grant Date -
N/A
app pub date -
Jul 20, 1990
filing date -
Nov 10, 1989
priority date (Note) -
In Force
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Abstract
A gypsum board comprises linings made of coated non-woven fiberglass mats having surfaces turned away from the gypsum core of the fiberglass mats which have been coated with an inorganic binder at least partially set with water. Preferably, quick-setting mixtures comprising cement, .alpha.-hemihydrate and ultra-fine silica are used which are dimensionally stable during setting as well as later on.
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Cited Art Landscape
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