| 摘要 |
<p>Provided are a noninflammable board which is environmental friendly, does not generate harmful gas in case of a fire and is high in strength, and a method for preparing the noninflammable board. The noninflammable board(100) comprises a noninflammable board formed by adhering a glass fiber net on the upper and lower surfaces of a mixture(110) which comprises 80 vol% of a powder mixture comprising 60 wt% of magnesium oxide, 20 wt% of magnesium chloride, 10 wt% of sawdust and 10 wt% of perlite, and 20 vol% of water and molding and drying it; a glass fiber net(120) formed on the upper surface of the mixture; and nonwoven(130).</p> |
