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  #1  
Old 2014-12-09, 11:14pm
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Onekura Onekura is offline
Bernhard Riegler
 
Join Date: Jun 03, 2010
Location: Northland - New Zealand
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Default avoiding condensation in tubing

Hi to everyone!
I was wondering if anybody has a trick to avoid the condensation thats happening inside the tube, while you work it? It happens about 2" from the heated part - actual drops of water forming inside the tube. This is a problem for me, because I want to drop some very fine glass frit into the tube and it always gets caught by the condensation . . . it just wont get down to where I want it - - one of those anoying little problems . . did anyone find a way to deal with that or has any ideas?
best regards - Bernhard
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Bernhard Riegler - Bay of Islands - New Zealand

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  #2  
Old 2014-12-10, 4:02am
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Quote:
Originally Posted by Onekura View Post
Hi to everyone!
I was wondering if anybody has a trick to avoid the condensation thats happening inside the tube, while you work it? It happens about 2" from the heated part - actual drops of water forming inside the tube. This is a problem for me, because I want to drop some very fine glass frit into the tube and it always gets caught by the condensation . . . it just wont get down to where I want it - - one of those anoying little problems . . did anyone find a way to deal with that or has any ideas?
best regards - Bernhard
It must be really humid there. May not be able to prevent it from happening but you can warm the tube to drive it out before you put the frit in even if you have to attach a handle to it. Or run some ox in there to evaporate it.
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Old 2014-12-10, 4:26am
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Dragonharper Dragonharper is offline
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Usually this comes from torch exhaust. When closing the bottom of the tube, angle the tubing so that the flame cannot enter the bottom of the tube.

Remember from chemistry class, the products of combustion are carbon dioxide and water.(idealy)
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Last edited by Dragonharper; 2014-12-10 at 4:30am.
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Old 2014-12-10, 9:22am
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I get that same thing. I just stick it in the kiln for a few minutes (with the handle sticking out) and let it evaporate.
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Old 2014-12-10, 12:42pm
LarryC LarryC is offline
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I get that same thing. I just stick it in the kiln for a few minutes (with the handle sticking out) and let it evaporate.
thats how I deal with it.
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