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GLASS COLORING AGENT FOR PRODUCING RECYCLABLE BLACK GLASS ENAMEL, PRINTING PASTE, METHOD FOR PRODUCING TRANSCRIPT AND BLACK ENAMEL, AND ENAMELED GLASS SUPPORTER
GLASS COLORING AGENT FOR PRODUCING RECYCLABLE BLACK GLASS ENAMEL, PRINTING PASTE, METHOD FOR PRODUCING TRANSCRIPT AND BLACK ENAMEL, AND ENAMELED GLASS SUPPORTER
PROBLEM TO BE SOLVED: To provide a glass coloring agent for producing a recyclable black glass enamel, whose pigment contains manganese but no chromium, cobalt, nickel and/or copper. SOLUTION: A glass coloring agent for producing a recyclable black glass enamel containing a glass flux which comprises one or more glass frits and a manganese-containing pigment. The glass coloring agent contains a (Fe, Mn)2O3 brown pigment having a bixbyite structure. The above glass frit is substantially selected from a series of glass frits substantially based on an alkali metal-Bi-borosilicate and/or potassium-Ti-borosilicate, and containing no Pb nor Zn.
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机译:解决的问题:提供一种用于生产可回收的黑色玻璃搪瓷的玻璃着色剂,该黑色搪瓷的颜料包含锰,但不含铬,钴,镍和/或铜。解决方案:一种玻璃着色剂,用于生产可回收的黑色玻璃搪瓷,该搪瓷包含玻璃熔剂,该玻璃熔剂包含一个或多个玻璃粉和含锰颜料。该玻璃着色剂包含具有方铁锰矿结构的(Fe,Mn)2 O 3棕色颜料。上述玻璃粉基本上选自基本上基于碱金属-Bi-硼硅酸盐和/或钾-Ti-硼硅酸盐并且不含Pb或Zn的一系列玻璃粉。
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