Glass fibre reinforced plasterboard and a method for producing s

Details Glass fibre reinforced plasterboard and a method for producing s Glass fibre reinforced plasterboard and a method for producing s

1991-04-05

1992-12-22

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428212, 428426, 428702, 428703, 106676, 106680, 106711, 106772, B32B 1300

Patent

active

051733641

ABSTRACT:
Glass fibre reinforced plasterboard comprising a gypsum matrix of high density with embedded staple glass fibres therewith forming a pressure resistant solid body frame in which are embedded a plurality of very small hollow spaces of 5-350 .mu.m diameter, produced by a fine-pore foam or at least partially by small particles of non-porous and non-water absorbing fillers. During the manufacturing process of such glass fibre reinforced gypsum board, the gypsum and the fibre pieces are given only so much water that the water/gypsum ratio does not exceed 0.6, whereafter a foam and/or pourable or free-flowing fillers are added in such quantities that the apparent density of the entire board is at least 20% smaller than the density of the bonding means component of the matrix and the paste are subjected while being formed, to a vibration.

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Search Report (German).

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