[Jewelry making - Article 00564] - Re: [Orchid] Firing PMC and Fused Glass

[gemznbeadz]

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    Hi Cathy -  The COE of PMC doesn't matter because you are only
    firing the PMC with the already-fused glass in place, you aren't
    fusing the glass to the PMC. 

    When I fire with PMC3 and fused glass, I don't ramp up, I go
    straight up to 1290 and fire for 10 minutes.  However, instead of
    opening the kiln and pulling the PMC out and quenching it straight
    away as I might if there were only PMC and no glass, I leave the
    door closed until the kiln returns to room temperature to avoid
    thermal shocking the glass, which will crack it or break it
    completely.  

Linda


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