| 摘要 |
FIELD: construction. ^ SUBSTANCE: ceramic mass for floor tiles fabrication includes a refractory clay and a zeolite-containing sandstone, characterised with a volume mass of 1680 kg/m3, density of 2700 kg/m3, fire resistance of 1160C, mineralogical composition, including clinoptilolite, orthose, quartz, hydromica and ferruginous compounds, with the chemical composition that includes the following components, wt %: SiO2 - 57.94; Al2O3 - 12.07; Fe2O3 - 6.05; CaO - 4.13; MgO - 2.04; K2O - 2.18, Na2O - 3.72; SO3 - 0.23; ignition loss - 11.64; at the following ratio of components, wt %: refractory clay - 50-70; zeolite-containing sandstone - 30-50. ^ EFFECT: reduced water consumption and increased strength of products. ^ 1 ex, 3 tbl |
