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Tips, Techniques, and Questions -- Technical questions or tips

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  #1  
Old 2014-01-17, 12:10pm
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BeadBlossoms BeadBlossoms is offline
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Question Glass Enamel vs Metal Enamel

I'm a bit confused about the enamels - I bought some enamels from Barbara Lewis during a class from her. We were using it on metal beads, but she did not specify what type she was using.

Can I use the same enamel on Glass beads, or does it have to be a different type of enamel?

Thanks for any help!

Donna
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  #2  
Old 2014-01-17, 4:56pm
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You'll probably want to use enamels made for soft glass. Thompson's makes them. I've been told that enamels designed for metals don't play so nicely with glass, though I can't confirm or deny at the moment.

Robert
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  #3  
Old 2014-01-17, 6:08pm
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The CoEs are radically different. Metal enamels have a cubic expansion range of 258-360.
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  #4  
Old 2014-01-18, 2:48am
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I agree with Elizabeth. In fact even the line of Enamels made for glass have a wide range of COEs with in them. Metal Enamels won't work for glass.
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  #5  
Old 2014-01-18, 4:35am
De Anza Art Glass Club De Anza Art Glass Club is offline
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For Thompson enamels:

Series 1000/2000 COE 258-360
Copper, gold, silver, low carbon steel, metal clay

Series 5000/6000 COE 80
Window (float) glass, magnetic stainless steel

Series 7000/8000 COE 90-96
Stained glass, hot glass blowing, Bullseye, Spectrum

Series 9000 COE 104
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  #6  
Old 2014-01-19, 12:43pm
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Thanks for all the info I did go on her website, and her enamels are in the 1000 range, so they are just for metal. Thanks so much for the info!!
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Last edited by BeadBlossoms; 2014-01-19 at 12:50pm.
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  #7  
Old 2014-01-22, 7:47am
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You can get a sampler kit from thompson for the 9000 series, a little bit goes a really long way for the enamels!
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  #8  
Old 2014-01-22, 7:48am
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Mine just came yesterday!
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Old 2016-05-24, 6:12pm
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I'm just wondering if anyone has been playing with the metal enamels. My glass set has barely been breached, but I'm really curious about the metal ones too.
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  #10  
Old 2016-05-24, 6:19pm
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I do a bit of metal enameling. Do you want to do torch fired or kiln fired? I'm a bit more familiar with kiln firing, but am not real experienced in either. I love the look though. There is a very knowledgable member here - Karin?
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  #11  
Old 2016-05-24, 6:47pm
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Torch, I have a Chili Pepper, and I don't think that is very good for kiln firing. I saw a demo of each a couple of years ago at a glass party, and I'm pretty sure I realized I would need a different kiln.
Do you have pictures?
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  #12  
Old 2016-05-24, 6:53pm
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No, I don't have any pics. Do you have the torch fired enamels book? Everybody says it is great. By Barbara Lewis. I think torch firing produces more firescale than kiln firing though.
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Old 2016-05-24, 7:10pm
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I just bought it, found a used copy
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