CELLULAR CONCRETE ADDITIVE AND RAW MIX FOR MANUFACTURING CELLULAR CONCRETES Russian patent published in 2002 - IPC

FIELD: manufacture of building materials (options). SUBSTANCE: additive is composed of, wt %: FeO 0.1-1.0, P₂O₅ 0.02-0.2m MnO 0.04-0.12, Cr₂O₃ 0.002-0.008, C 2.0-8.0, MgO 0.1-0.5, inert components up to 20, CaO - the balance. Raw mix contains, wt %: indicated additive 1-10, binding agent 30-60, pore former 0.03- 0.3, water - the balance or, optionally, additive 1-10, binding agent 15-35, filler 15-25, pore former 0.03-0.3, and water - the balance. EFFECT: improved homogeneity of cellular concrete products in direction of filling height, reduced their manufacture cycle, and improved construction quality of cellular concrete. 3 cl, 3 tbl