Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1996-08-16
1999-12-14
Krynski, William
Stock material or miscellaneous articles
Composite
Of inorganic material
428141, 428143, 428172, 428219, 428220, 4283124, 428337, 428393, 4284111, 4285375, 428920, 4273898, 156 39, 156 71, 523091, 5230917, 52408, B32B 900
Patent
active
060014962
ABSTRACT:
Disclosed is a mat-faced gypsum board of the general type having a gypsum-based core formed from a gypsum slurry compressed through an extrusion ratio of at least about 3:1 wherein the fibrous mat facing on at least one side of the board has a weight per unit surface area of greater than about 1.85 lb./100 ft..sup.2 and consists essentially of inorganic fibers having a diameter of less than about 15 microns. Also disclosed are methods for manufacturing such a gypsum board and the use of such a gypsum board in exterior finishing systems, interior lath systems and as a door core.
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Bahta Abraham
G-P Gypsum Corporation
Krynski William
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