| 摘要 |
PROBLEM TO BE SOLVED: To provide a building material injuring no health of a person, and using an eco-friendly raw material as a material. SOLUTION: Among a filler 3 of fining one or a plurality of natural raw materials among wood, paper or plant fiber or a filler 3 of bundling one or a plurality of natural raw materials among wood, paper or plant fiber, either one or both are mixed, and are filled in a bag 2 composed of the natural raw material such as cloth of paper or plant fiber. This building material has a characteristic in points of forming micro-spaces in large numbers in this bag 2. COPYRIGHT: (C)2004,JPO&NCIPI
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