| 摘要 |
PROBLEM TO BE SOLVED: To provide a dehydration press molding product having excellent toughness and quality as a building member. SOLUTION: This method for producing dehydration press molding product comprises subjecting a composition comprising (A) a hydraulic inorganic substance, (B) crystalline inorganic filler having 10μm to 2 mm average particle diameter, (C) slurry obtained by previously dispersing amorphous silica having 0.01-1μm average particle diameter, (D) a synthetic fiber and (E) a water reducing agent to dehydration press molding and then curing and hardening the molded composition. According to the method, dehydration press molding product can readily be obtained without causing leakage from a frame mold when pressed. The resultant product is useful as a member for building, because it has high flexural strength in dried state or water-saturated state and is excellent in external appearance.
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