| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: protective technological coating contains the following components, wt %: Al2O3 - 3-21; CaO - 1.5-13; MgO-0.5-5.5; B2O3-3-18; BaO- 3-13; K2O - 0.1-5; 2BaO3SiO2- 1-3; 2Al2O3-B2O3 - 1-3; SiO2 - the rest. ^ EFFECT: creation of protective technological coating allowing increased viscosity, heat-resistance, and low friction ratio at high heating temperatures. ^ 4 ex, 2 tbl |
