An inorganic board and method for producing the same

Details An inorganic board and method for producing the same An inorganic board and method for producing the same

C - Chemistry, Metallurgy

04

B

C04B 16/06 (2006.01) B28B 1/52 (2006.01) B28B 3/00 (2006.01) C04B 24/04 (2006.01) C04B 28/02 (2006.01)

Patent

CA 2606950

An object of the invention is to provide an inorganic board excellent in water absorption resistance, dimensional stability and/or frost damage resistance, and a method for producing the same. The inorganic board is produced through the following processes: preparing a slurry by dispersing a cement-based hydraulic material and a refined fiber reinforcing material into water, adding a saturated carboxylic acid to the slurry, and then the slurry is subjected to the steps of sheetmaking, dehydration, pressing and curing. The inorganic board comprising a refined fiber reinforcing material at 1-30 weight % based on the total solid content and a saturated carboxylic acid at 0.1-2.0 % based on the total solid content.

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