| 摘要 |
<p>A fireproof, waterproof, and acidproof binder is characterized by a hardened composition of 10-90% by weight of alkali silicate comprising sodium waterglass, potassium waterglass or a mixture of the same, 1-40% by weight of reactive metal oxide from the group comprising magnesium, titanium, and zinc, preferably magnesium oxide, 1-70% by weight of calcium/magnesium carbonate, preferably dolomite, and, if desired, magnesium silicate, feldspar, a chemically active silica, potassium-sodium-aluminum silicate, sodium carbonate, expanded clay, wood fibers, cement, limestone dust, sand, an organic binder, water or mixtures of the same.</p> |
