| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a woody cement board which does not generate cracks. SOLUTION: This is a woody cement board whose manufacturing method comprises spreading on a form board a raw materials mixture containing a cement inorganic powder, a mica and a woody reinforcing material, forming a mat board and compressing and aging and hardening the mat. The cement inorganic powder and the mica are premixed and added to and mixed with a mixture of other raw materials to prepare the raw materials mixture in which the mica and the cement inorganic powder are dispersed homogeneously.</p> |
