| 摘要 |
FIELD: manufacture of building materials. ^ SUBSTANCE: invention relates to compositions for preparing cellular-structure mortars with above-indicated characteristics and contains 20.83-29.41% Portland cement, 58.82-62.50% quartz sand, 11.76-16.67% water, and 0.04-0.09% surfactant ("Taiga"). The latter is used as air-entraining agent and is composed of, wt%: tall fatty acids up to 98.6, formalin 0.2, sodium carboxymethylcellulose or sodium methylcellulose 0.5, scent component 0.7 (0.05-0.2% of the weight of Portland cement). ^ EFFECT: improved laying characteristics and reduced average density and heat conductivity. ^ 1 tbl |
