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

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  #1  
Old 2010-11-04, 6:04am
Sue Sue is offline
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Default help with bead release issue please

The bead release on my 1/2 and 5/8 mandrels crack horridly as they dry. I have not had issue on my smaller mandrels. I tried thinning release. It did not help.

Thanks for any suggestions!
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  #2  
Old 2010-11-04, 6:23am
TBC Beads TBC Beads is offline
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Sue, when you say you've thinned the release, how thin is it when you're dipping the mandrels now? Is it the thickness of, say, a milkshake, or more like heavy cream? And which bead release are you using?
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  #3  
Old 2010-11-04, 6:26am
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Have you used the mandrels before??? If not, rough them up with steel wool and then cook them in the flame until they are glowing red. After they cool, you should be able to coat them no problem. Sometimes the steel is coated with oil (which doesn't just wipe or wash off) and you have to burn it off first.
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  #4  
Old 2010-11-04, 8:15am
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what bead release are you using?
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  #5  
Old 2010-11-04, 8:56am
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Quote:
Originally Posted by BellaBean View Post
Have you used the mandrels before??? If not, rough them up with steel wool and then cook them in the flame until they are glowing red. After they cool, you should be able to coat them no problem. Sometimes the steel is coated with oil (which doesn't just wipe or wash off) and you have to burn it off first.
I agree. I run mine through a cycle in my kiln and they come out clean and ready for release.
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  #6  
Old 2010-11-04, 9:20am
naomiwashburn naomiwashburn is offline
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Good question. I don't have my own equipment, so I use the mandrels and release they have at my local glass shop, but I seem to be doing SOMETHING wrong, because when I use the pre-coated mandrels, the release tends to flake off in the flame, causing my beads to not come off the mandrels once annealed.

I hope you figure your problem out. Mine's been bugging me for weeks.
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  #7  
Old 2010-11-04, 10:07am
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Heat them gently and slowly before getting them red hot. I have found if you cram them in the full flame when they are cold the release has a tendency to crack.
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  #8  
Old 2010-11-04, 2:24pm
Sue Sue is offline
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Default you guys are great!

I have bucket o mud and looies. I have used both mandrels before, but i took a three year break from torching. Trying to get my groove back. Both releases were bought in the past four or so months. The release is starting to crack with in 20 minutes of starting to air drying. The looies is heavy cream thin. The mud is move thick milkshake. Even using the best cuss words in fast repetition is not helping. I am going to try roughing those puppies up a bit see if that helps.

Thanks again!
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  #9  
Old 2010-11-04, 3:28pm
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sorry I have no experience with either one of these bead releases. I have found the best for large hole mandrels (so far) is sludge plus. the blue stuff. Even my smooth n tuff is not that tuff on these mandrel sizes. BUT i do know that to prevent cracking sometimes, if my mandrel is not quite behaving, i rub on the release with my finger first give it a good rub up and down then dip, and shake off the excess. it seems to help bind it. I can do this with new mandrels and not have to burn them off this way either. The release you are using may want to be thinner, or thicker for this this application. I know my smooth n tuff wants to be fairly thin, while i prefer my sludge thicker. good luck, keep us updated....
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  #10  
Old 2010-11-04, 4:48pm
Sue Sue is offline
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Thank you folks. I shall be back at it this weekend. Updates to come!
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  #11  
Old 2010-11-05, 8:36am
TBC Beads TBC Beads is offline
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You said you're using Dirty Looie's...I've read that Looie's is meant to be flame dried only, and not left to air dry. You're supposed to dip a mandrel, dry it, make your bead, and then dip a fresh mandrel and repeat. I've never used it, this is just from reading online, but that may be part of your issue.
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  #12  
Old 2010-11-05, 12:05pm
Sue Sue is offline
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I was not aware of that Pam thanks. I really have not used the looie's much until now. Both have air dried after more thinning and it looks good. I will not be torching til tomorrow or Wednesday. I shall post my results.
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  #13  
Old 2010-11-16, 7:44am
Sue Sue is offline
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Want to thank everyone for input. I roughed up the mandrels again and redipped. Seems fine now thanks again for help!
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