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2010-07-28, 9:20am
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Junior Member
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Join Date: Jun 02, 2010
Posts: 10
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bullseye
I tried this with bullseye glass rods. I made 3 beads, of these only one had visible bubbles and that one cracked. I'm wondering if I didn't let the beads cool enough before rolling in the B.S.
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2010-07-28, 9:54am
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MacGalver
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Join Date: Oct 15, 2006
Posts: 9,927
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Here's the MSDS for bicarbonate of soda/ baking soda:
http://www.sciencelab.com/msds.php?msdsId=9927258
I'm not an expert, but it looks pretty innocuous to me. The following statement from the MSDS:
"When heated to decomposition it emits acrid smoke and irritating fumes"
is a generic caution for any material that can be burned and doesn't really indicate toxicity.
Naturally, good ventilation is a requirement for lampworking. The way I read this MSDS, the greatest danger is from someone accidentally eating a large quantity of it, or irritation from getting the powder in their eyes, nose or throat.
If I'm wrong about this, somebody please correct me!
Jo
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2010-07-29, 2:40pm
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Formerly Icarus Beads :)
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Join Date: Jul 04, 2009
Location: Morgan Hill, CA
Posts: 2,245
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Saw this tutorial only now and got inspired to try Freddie's bubble squares.
Love the results - thanks for sharing!!!
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2010-07-31, 5:09pm
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Member
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Join Date: Jul 17, 2010
Posts: 40
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Very pretty set Judith!
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Tish
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2010-08-05, 10:45am
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Junior Member
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Join Date: Sep 14, 2009
Posts: 25
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Quote:
Originally Posted by slcuniques
Angela, The way I do it, and I have had only a couple crack on me, is to encase it while the base with BS is glowing.. not molten, but glowing.
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That is a very helpful tip Sandy! I was wondering what was meant by "kiln the snot out of them?" Seems these two tips are key to the survival of the bead.
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2011-09-21, 7:51am
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Junior Member
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Join Date: Dec 22, 2010
Location: Dallas, TX
Posts: 14
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Thanks for the tut, Freddy...can't wait to try it! And beautiful beads Vanessa and Judith!
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2011-09-30, 8:56pm
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Senior Member
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Join Date: May 22, 2010
Posts: 1,156
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Has anyone tried this with Boro?
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Sue
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2013-07-25, 1:31am
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Junior Member
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Join Date: Nov 11, 2012
Location: Haiku, Maui
Posts: 23
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Thanks for the info on the fumes, I never would have thought, going to try this later, but will be careful.. my ventilation is Harbor freight un-line fan and ducting. Sucks smoke out from behind torch and all around it, I always wonder if it is sufficient cfm.. seems to be.
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