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Go Back   Lampwork Etc. > Library > Tips, Techniques, and Questions

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

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  #1  
Old 2017-01-18, 2:56pm
Bentley Bentley is offline
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Default Does freezing weather effect Bead Release?

We've just been through the coldest weather I've been through since I moved to the Pacific NW from San Diego. I coated mandrels last night with the same mixture of bead release I've been using for years and today all release is cracking away from the meanders and my beads are spinning around. In over 20 years of making beads this has never happened to me. Does Bead Release degrade in colder temps? PS my studio was so cold that my water bowl froze.
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  #2  
Old 2017-01-18, 3:24pm
Bentley Bentley is offline
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Oh, and the mandrels I coated before our freezing weather and were just sitting in the studio are just fine.
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  #3  
Old 2017-01-18, 5:16pm
ESC ESC is offline
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Bentley, this is a post Robin made about things that affect bead release.

http://www.lampworketc.com/forums/sh...g+bead+release
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  #4  
Old 2017-01-18, 5:17pm
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yellowbird yellowbird is offline
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I don't think there is one answer
big hole mandrels might be a problem but it depends on the thickness and the type of release

I would proceed with caution and not spend a great deal of time on a mandrel that might not hold when pressure is applied
the release in the jar should be fine once reconditioned
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  #5  
Old 2017-01-18, 6:07pm
Bentley Bentley is offline
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ESC, Thanks for the link. I'm going to take the dipped mandrels inside and let them warm up and see if that makes a difference.
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  #6  
Old 2017-01-18, 6:12pm
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Chocake Chocake is offline
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I wonder if they weren't quite dry and froze, causing ice crystals to form? Or perhaps not quite dry due to freezing, causing steam when you heated them?
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  #7  
Old 2017-01-18, 6:50pm
SStephen SStephen is offline
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I've always stored dipped mandrels inside where it's warm and then don't bring them out into the cold until right before I turn on the torch. When I'm done, I bring them in with me. I've always done this, whether it's extremely hot, cold or mild. I have no scientific reason, just my gut feeling lol...

I feel like since chunks of bead release get knocked off if I bump the mandrel against something too hard that it's not hanging on too tight, so changes in air moisture and temperature probably weakens it to the point where it just gives up. I guess?? >_<
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  #8  
Old 2017-01-18, 8:54pm
Bentley Bentley is offline
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Yeah, I think you're right. I'll keep mine inside when the weather gets cold.
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  #9  
Old 2017-01-20, 12:09pm
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FosterFire FosterFire is offline
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Quote:
Originally Posted by SStephen View Post
I've always stored dipped mandrels inside where it's warm and then don't bring them out into the cold until right before I turn on the torch. When I'm done, I bring them in with me. I've always done this, whether it's extremely hot, cold or mild. I have no scientific reason, just my gut feeling lol...
Ah, but there is a scientific reason. Metal expands when warm, contracts when cool. So one example: the metal is very cold when you dip it and the bead release dries on it when it is contracted. You heat and the metal expands making cracks in the release.

I do the "storing indoors" thing during winter, although not during summer.
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