| 摘要 |
manufacture of building materials, more particularly manufacture of light-weight concrete for heat insulation of guard structures and products. SUBSTANCE: foaming agent comprises, %: surfactants, 1-5; saponified wood resin, 1-10; saponified wood resin to surfactant ratio, being from 1 to 2. EFFECT: greater ratio of foam and higher coefficient of using foam. 1 tbl
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