96 coe vs 90 coe

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    Years ago I tried fusing and started with Bullseye glass. I was told THAT WAS THE WAY TO GO. At that time I had to use spray-A so the surface would not be divitrafied. It was a pain so I stopped. Years later glass has seemed to have come a long way and I am trying again. In creating stained glass windows  spectrum is one of my favorites. Too late to make a long story short, which COE is better to work with?? I have a load of 96 but I am wondering if the 90 may produce less bubbles or just easier to work with. Any favorites??

    Thanks for any thoughts


    Stephen Richard

    Long discussion on another board, I won’t trouble you with.  It is compatibility you are looking for rather than any coefficient of expansion.  Bullseye, Uroroboeros and Spectrum96 are all good tested compatible glasses.  Each has their supporters.  Find a good supplier near you and use what they carry.  By sticking with one manufacturer’s fusing compatible glass you will have good results generally.

    Devit nowadays comes mostly from inadequate cleaning of the glass before firing.

    Small bubbles are a feature of fused glass whether you start with the glass that has more seeds like Uro or Bullseye, or that with less like S96.

    Stephen Richard

    blogs at: http://www.verrier-glass.blogspot.com/ and  http://www.glasstips.blogspot.com/

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