| 摘要 |
FIELD: technological process. ^ SUBSTANCE: invention is related to the field of silicate technology and concerns compositions of raw meals that are used in production of construction materials. Raw meal contains the following, weight %: lime 10.0-15.0; fluoride containing waste of superphosphate production 3.0-5.0; bentonite-colloidal clay 13.0-15.0; waste of apatite ore enrichment 3.0-5.0; quartz sand - the rest. ^ EFFECT: increase of strength of construction materials that are produced from raw meal. ^ 1 tbl |
