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Glazing and glazing assembly for glazing GLAZING AND DECORATING GLASS AND GLASS CERAMICS AND A PROCESS FOR MANUFACTURING GLASS CERAMICS COATED WITH THAT COMPOSITION
Glazing and glazing assembly for glazing GLAZING AND DECORATING GLASS AND GLASS CERAMICS AND A PROCESS FOR MANUFACTURING GLASS CERAMICS COATED WITH THAT COMPOSITION
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机译:用于玻璃的上光和上釉组件玻璃和玻璃微晶和玻璃陶瓷以及制造涂覆有该组合物的玻璃微晶的方法
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摘要
A lead- and cadmium-free borosilicate glass, having a specified composition and having a low thermal expansion coefficient, is new. A low thermal expansion coefficient lead- and cadmium-free glass, for glass coating, enameling and decorating glasses or glass-ceramics, has the composition (by wt.) 0-6 % Li2O, 0-5 % Na2O, 0 to less than 2 % K2O, 2-12 % Li2O + Na2O + K2O, 0-4 % MgO, 0-4 % CaO, 0-4 % SrO, 0-1 % BaO, 0-4% ZnO, 3 to less than 10 % Al2O3, 13-23 % B2O3, 50-65 % SiO2, 0-4 % TiO2, 0-4 % ZrO2, 0-4 % F (substituting for oxygen) and up to 30 % firing temperature resistant pigment. An Independent claim is also included for processes for producing a glass-ceramic which is coated, enameled and decorated with the above glass.
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