FIELD: construction.
SUBSTANCE: thermally insulating cement wood includes combined bonding substance, phytogenous compound, foam former, and water. Combined bonding substance consists of gypsum building plaster, portland cement and diatomite milled to specific surface above 4000 cm2/g. As strengthening water-based polymer, urea resin is used together with ammonium chloride additive. As phytogenous compound, wood dust of 0.75...1.4 mm fraction is used. Component ratio in mass % is as follows: gypsum building plaster - 26, portland cement - 18, diatomite - 5.9, wood dust 5,9, urea resin - 0.7, ammonium chloride - 0.1, foam former - 0.4, water - 43.
EFFECT: bending resistance enhancement with retention of low value of material mass specific gravity.
1 cl, 2 tbl
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