| 摘要 |
Frits, obscuration enamel compositions including frits and automotive windshields having obscuration enamel compositions applied thereto are described. According to one or more embodiments, the obscuration enamel composition comprises a paste component and a frit component having Bi<SUB>2</SUB>O<SUB>3</SUB>, SiO<SUB>2 </SUB>and B<SUB>2</SUB>O<SUB>3 </SUB>and being substantially free of Na<SUB>2</SUB>O. In other embodiments, a reducing agent is included in the frit component. Obscuration enamels of some embodiments have a total solids content of at least 80% by weight.
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