| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a wood cement board of a good dimensional stability and a good surface crack resistance. SOLUTION: In order to improve a surface crack resistance an aromatic polyether amide fiber and a dry fibrillated pulp are mixed in front and rear layers of the wood cement board having a three layer structure such as the front layer, the rear layer and a core layer.</p> |
