| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to construction materials and can be used for preparing wood filler. The method of preparing concrete bark filler involves grinding bark to a 0.003 to 0.025 m fraction, moistening to moisture content of 30 to 60%, powdering with gypsum powder, treatment with a film-forming protective polymer-silicate composition, which consists of liquid glass and latex, with the following ratio of components, wt %: liquid glass 88 to 92, latex 12 to 8. ^ EFFECT: increased use of bark and increased concrete strength. ^ 1 cl, 3 tbl, 1 ex |
