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Tack fusing unfused glass to already tack fused piece

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Tack fusing unfused glass to already tack fused piece

Postby dirich111 » Sat May 25, 2019 9:33 am

I tack fused a 2 layer piece of glass, but now find that I need to tack fuse another unfused piece of glass to the tack-fused piece. How can I do this without overfusing the already fused piece losing the definition of a fused glass piece?
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Re: Tack fusing unfused glass to already tack fused piece

Postby jestersbaubles » Mon May 27, 2019 6:16 am

One of the factors in the level of fuse on a piece is the cumulative heat work. The edges of the existing tack-fused pieces will continue to soften when refired. A few options would be:

[*]Live with the difference in fuse.
[*]Try bringing the new piece up to the same temperature/hold time in the kiln to prefire it to the same level of fuse as the existing piece. Then, fuse the two pieces together. Your level of fuse will be softer, but they will be the same.
[*]Fire the new piece by itself, and then glue.

Dana W.
Dana Worley Fused Glass Designs
dba Jester's Baubles
http://www.jestersbaubles.com
http://www.jestersbaubles.blogspot.com
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