| 摘要 |
manufacture of sanitary and industrial products. SUBSTANCE: porcelain body comprises coarsely dispersed siftings from quarry which have chemical composition, %: CaO, 48.5-50.0; MgO, 36.0-38.0; SO2 up 3; R2O, 2.0-3.0; and TiO2, ratios of components being as follows, wt.%: kaolin, 12.0-20.0; refractory clay, 16.0-28.0; quartz sand, 18.0-24.0; permatite, 15.0-20.0; porcelain grog, 5.0-7.0; coarsely dispersed siftings, 10.0-12.0; TiO2, 1.0-2.0. EFFECT: improved the porcelain body. 1 tbl
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