| 摘要 |
<p>A flame-retardant chaff board (10), characterized in that the board is prepared using chaff as its main material by a method comprising mixing or kneading chaffs with a water-soluble inorganic composition having film-forming property, appliableness or adhesiveness, placing the resultant mixture in a mold followed by drying under pressing, and then removing the mold, to thereby prepare a chaff product (20) having the shape of a plate (30). The chaff board takes advantage of high thermal insulating property, corrosion resistance and lightness which are inherent to chaff and the fact that it is a surplus product, and utilizes the above inorganic composition for canceling the defect of chaff that it is flammable.</p> |
