| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an additionally decorative woody cement board excellent in water permeability, strength in physical property, and uniformity with small difference of specific gravity between a joint part and a pattern part. SOLUTION: The additionally decorative woody cement plate is made up of cement, chipping and granular inorganic aggregate with mean grain diameter of 5-20μm, and the additionally decorative woody cement board is characterized in that the woody cement board contains the above defined granular inorganic aggregate by 5-30 wt.%, and is obtained by heat press molding.</p> |
