Title:
木質セメント板およびその製造方法
Document Type and Number:
Japanese Patent JP4180861
Kind Code:
B2
Abstract:
To improve fire resistance, non-combustibility and fireproof property in a woody cement plate.
The woody cement plate has a front layer or front and back layers having dense structures and a core layer having a coarse structure, all of which essentially comprising a cement-based inorganic material, a silicate-containing material, a woody reinforcement, mica and a hydroxide. The hydroxide is preferably aluminum hydroxide, and based on the total mass of the raw materials, 10-20mass% aluminum hydroxide and 15-25mass% mica are preferably added.
COPYRIGHT: (C)2004,JPO
Inventors:
Fumihiro Asakura
Application Number:
JP2002252226A
Publication Date:
November 12, 2008
Filing Date:
August 30, 2002
Export Citation:
Assignee:
Nichiha Corporation
International Classes:
B32B13/02; C04B28/18; B28B3/02; C04B14/20; C04B14/36; C04B16/02; C04B18/26; C04B111/28
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