| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: enamel contains following components, wt %: SiO2 - 53.0-55.0; Al2O3 - 2.0-4.0; CaO - 4.0-6.0; Na2O - 4.0-6.0; PbO - 4.0-6.0; Mn2O3 - 4.0-6.0; MgO - 4.0-6.0; BaO - 1.0-2.0; Fe2O3 - 1.0-2.0; MnO - 2.0-4.0; TiO2 - 6.0-12.0; Co2O3 - 2.0-4.0. ^ EFFECT: increase of enamel impact resistance. ^ 1 tbl |
