| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to composition of enamels for cast iron or steel products coating. Enamel contains the following components, wt.%: SiO2 - 35.0-40.0; Al2O3 - 1.0-2.0; B2O3 - 13.0-16.0; P2O5 - 4.0-6.0; Na2O - 3.0-5.0; TiO2 - 5.5-7.5; ZnO - 3.0-5.0; MgO 15.0-18.0; MnO2 - 1.5-3.0; Cr2O3 - 1.5-3.0; CuO - 4.0-6.0. ^ EFFECT: higher enamel adhesion strength. ^ 1 tbl |
