| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: enamel coating contains the following in wt %: K2O 6.0-8.0; ZnO 0.1-0.2; B2O3 47.7-52.3; Ag 0.1-1.0; Na2O 6.0-8.0; SiO2 30.0-35.0; SnO2 3.0-4.0. Melting temperature of the enamel frit is equal to 1230-1350C. ^ EFFECT: obtaining environmentally safe enamel coating. ^ 1 tbl |
