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Article Compound consisting of a Body of Opal Glass and enamel Adhesive and High Gloss Enamel suitable to be used in said Article
Article Compound consisting of a Body of Opal Glass and enamel Adhesive and High Gloss Enamel suitable to be used in said Article
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机译:适用于上述物品的由蛋白石玻璃和搪瓷胶和高光搪瓷组成的化合物
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摘要
The invention disclosed is a family of enamel fluxes that forms the basis for enamels used in decorating opal glasses where the glasses have softening points in excess of 760 C. and coefficients of thermal expansion (25-300 C.) of 70-8510.sup.-7 / C. The enamel fluxes have softening points in the range of 550- 575 C., toxic metal release values below FDA prescribed standards, coefficients of thermal expansion in the range of 65-7510.sup.-7 / C. and preferably at least 5 units below the coefficient of the opal glass, and fire to a high gloss in a firing cycle of less than 10 minutes having a maximum temperature below 720 C. They have compositions that form a family in the Li.sub.2 O-Na.sub.2 O-B.sub.2 O. sub.3 -TiO.sub.2 -CdO-ZrO.sub.2 -PbO-SiO.sub.2 system.
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