| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to production of construction materials based on gypsum binder. The gypsum mixture includes hemihydrate gypsum, slaked lime, portland cement, quartz sand, sodium chloride, water, capronic thread cut into 10-100 mm pieces and magnesium oxide, with the following ratio of components, wt %: hemihydrate gypsum - 20-22; slaked lime - 0.5-0.7; portland cement - 0.5-0.7; quartz sand - 54.06-58.26; sodium chloride - 0.02-0.03; water - 20-22; capronic thread cut into 10-100 mm - 0.5-0.7; magnesium oxide - 0.01-0.02.EFFECT: reduced consumption of binding materials in the gypsum mixture.1 tbl |
