Refractory Porous Concrete for Hot Tops

摘要

The refractory porous concrete for hot tops is based on water glass and sodium fluosilicate and is distinguished by the fact that in order to increase porosity and strength of the hot tops its composition includes the following components in weight percent: water glass 12-17, sodium fluosilicate 0.8-1.5, limestone 81-87, foaming agent - neutralized, naphthenic sulfo acids and their sodium and potassium salts 0.2-0.5. (Author)