Tips & Techniques

Fusing glass in a kiln is a fascinating technique that enables artists to create unique and gorgeous projects. The following fusing rules and firing instructions should provide you with enough information to make a variety of projects, creating an appreciation for the complexities and potential of fused glass, and paving the way for more intricate designs and ideas. I. Tested Compatible A. All glass has a coefficient of expansion, or COE. B. Glass manufactured specifically for fusing is often "tested compatible," or guaranteed to be a certain COE. C. The most popular fusing glasses are either 90 COE (Bullseye, Uroboros, Wasser) or 96 COE (Spectrum and Uroboros). D. Always use compatible glass, which is known to have the same COE.

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