| 摘要 |
FIELD: construction. ^ SUBSTANCE: undercoat enamel contains the following components, wt % SiO2 - 35.08-35.35; Na2O-31.0-33.0; CoO - 0.15-0.2; MnO2 - 14.0-15.0, Fe2O3 - 1.0-1.5; B2O3 - 6.0-8.0; MgO - 1.0-1.5. ^ EFFECT: simplified process of undercoat enamel slurry production process. ^ 1 tbl |
