| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a clay roofing tile enabling to blend chamotte in large quantities, which has higher bending strength and lower water absorption compared with ordinary clay roofing tiles made by only using clay for roofing tile as a raw material. <P>SOLUTION: The clay roofing tile is made by blending chamotte having a particle diameter of 125μm or less and an average particle diameter of 1-10μm, clay for roofing tile, a plasticizer and a binder. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
