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Using bismuth it is possible to create very low melting glasses (or glazes). But a very high percentage is required. And bismuth is expensive.
| Materials | Bismuth Subnitrate | 
| Materials | Bismuth Oxide Bismuth is a very strong flux that enables glass melts lower than any other, even lead. However its price limits its utility to highly specialized products. | 
| Oxides | Bi2O3 - Bismuth Oxide | 
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