| 摘要 |
FIELD: enamel for ceramic cake, ornamental and household articles, etc. ^ SUBSTANCE: claimed enamel contains (mass %): SiO2 41.0-54.0; Al2O3 5.0-12.0; B2O3 11.0-18.0; Fe2O3 0.5-1.5; CaO 3.0-12.0; MgO 0.1-3.0; Na2O 0.5-1.4; K2O 1.0-8.0; ZnO 7.7-18.0; ZrO2 3.0-7.9; TiO2 0.1-1.0; pigment 0.5-5.0. Said iron-oxide-based pigment contains (mass %): iron oxide <=60; zinc oxide <=10; water 1-3; and balance: iron and zinc phosphates). ^ EFFECT: enamel without of pitch formation; colored coating of high performance quality. ^ 1 tbl |
