Composition for coating of porcelain enamel catalìtica.

摘要

Invention patent: b "composition of coating of porcelain enamel catalu00ectica" d .The present invention provides a new and improved the composition of porcelain enamel coating for use in formation of a self cleanable coating on aluminized steel.The coating composition comprises a component of glass having a composition comprising from about 30% to about 55% of SiO ~ 2 ~, about 11% to about 20% of Uncle ~ 2 ~,From about 0% to about 10% of B ~ 2 ~ ~ 3 ~, about 20% to about 40% of the alkali metal oxides, less than about 5% of metal oxides, rare earth silicate.From about 0% to about 10% of Cao, from about 0% to about 10% of Bao, from about 0% to about 10% of MnO, about 2% to about 12% of CuO, from about 0% to about 10% of sb. ~ 2 ~ ~ 3 ~.About 1.5% to about 10% of Fe ~ 2 ~ ~ 3 ~, from about 0% to about 10% of SnO ~ 2 ~, from about 0% to about 10% of P ~ 2 ~ ~ 5 ~, less than about 2% moo ~ 3 ~.And less than about 5% of V ~ 2 ~ ~ 5 ~.