Gypsum/fiber board with improved impact resistance

Details Gypsum/fiber board with improved impact resistance Gypsum/fiber board with improved impact resistance

B - Operations, Transporting

28

B

B28B 1/52 (2006.01) B28B 23/00 (2006.01) B32B 13/02 (2006.01) E04C 2/04 (2006.01)

Patent

CA 2280393

A gypsum/fiber board having improved impact resistance is produced by mixing predetermined amounts of fibers, calcined gypsum and water to form a mixture of wetted, loose fibers; laying out a reinforcing mesh over the upper surface of a forming belt; depositing said mixture on said mesh to form a layer of said mixture, said; and compressing said mesh together with said layer of mixture to embed said mesh in the lower surface of said layer to form a board composed of bonded fibers and gypsum with said mesh embedded in the surface thereof.

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