| 摘要 |
FIELD: ceramics, facing materials. ^ SUBSTANCE: invention relates to frit compositions for enamel cover applied on articles made of steel and cast iron. Proposed frit comprises the following components, wt.-%: SiO2, 29.0-34.0; Al2O3, 2.0-3.0; B2O3, 19.0-23.0; CaO, 13.0-17.0; Na2O, 13.0-17.0; Na2SiF6, 2.0-3.0; Na3AlF6, 0.5-1.5; ZrO2, 0.5-1.5; Cr2O3, 1.0-3.0; S'', 1.0-2.0; Li2O, 3.0-4.0, and MgO, 3.0-4.0. Invention provides enhancing spreadability of enamel. ^ EFFECT: improved and valuable property of enamel. ^ 1 tbl |
