摘要 |
FIELD: construction. ^ SUBSTANCE: ceramic mass for manufacturing of clinker ceramic products includes raw kaolin and sludges of alkaline etching of aluminium, containing wt %: SiO2 - 0.3-0.8; Al2O3 - 43-57; Fe2O3 - 1.5-6.8; CaO - 0.5-9; MgO - 0.5-4; R2O - 6-14; SO3 - 0.5-6, at the following ratio of components, wt %: raw kaolin - 40-70; sludges of alkaline etching of aluminium - 30-60. ^ EFFECT: higher heat resistance, acid resistance and mechanical strength during bending of products. ^ 2 tbl |