| 摘要 |
PURPOSE: A panel is provided to prevent the noise of a ceiling, a wall and so on by using a bark and a stem of a grain, a waste paper, dregs of a paper production, and a sludge. CONSTITUTION: The panel is produced by: putting a mixture mixed a weight ratio of a chaff-1, a sludge-1, water, and a glass-2 into a roller press; blowing and cooling by air for 2 minutes at the high temperature of 80°C ¯ 100°C. This panel has the much intensity, is not untied though putting in water, is not twisted though exposing in sun. |
