| 摘要 |
PROBLEM TO BE SOLVED: To provide a baked building material which can reduce its weight and obtain excellent thermal insulation properties and sound insulation properties and a method for producing the baked building material. SOLUTION: Clay and/or stock clay is used as the main component of a raw material for a molding, and 20-30 pts.wt. of glass powder is incorporated per 100 pts.wt. of the main component. The molding 4 of the baked building material having a hollow part 2 inside is molded by using the raw material incorporated with the glass powder. The glass powder and a foaming agent are packed in the hollow part 2 of the molding 4. The molding 4 of the baked building material filled with the glass powder and the foaming agent is baked at 900-1,000°C. COPYRIGHT: (C)2007,JPO&INPIT
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