unclestu
Cave Dweller 
WINNER OF THE FIRST RTH KILLER CAB CONTEST UNCLESTU'S AGUA NUEVA AGATE
Member since April 2011
Posts: 2,298
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Post by unclestu on Feb 2, 2012 15:06:43 GMT -5
What is the best way to remove a cab when it was doped using super glue on an aluminum rod. I had removed it in the past by heat although this time around it didn't want to release and I was afraid of letting the cab get to hot.
Thanks
Stu
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Post by jakesrocks on Feb 2, 2012 15:11:35 GMT -5
An overnight soak in acetone should do it. This is exactly why I only use dop wax.
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Don
Cave Dweller
He wants you too, Malachi.
Member since December 2009
Posts: 2,616
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Post by Don on Feb 2, 2012 15:19:48 GMT -5
Acetone...works great.
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Post by FrogAndBearCreations on Feb 2, 2012 15:24:53 GMT -5
yep acetone is the way to go!
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herchenx
Cave Dweller
Member since January 2012
Posts: 3,360
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Post by herchenx on Feb 2, 2012 15:30:48 GMT -5
I've been taking the stone and the dop and using a sharp knife to press into the "seal" all the way around the dop stick so there is essentially a crease in the super glue right where it meets the dop - but all the way around.
I push as deep into the glue as I feel I can and once it is all the way around it has been snapping off.
NOW - I dopped a piece of obsidian last night as a test of something softer, so after I finish polishing the front tonight I will see if I can remove it or not without destroying it.
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Post by chad on Feb 2, 2012 16:30:42 GMT -5
No reason acetone wouldn't work but for most superglues, adding more superglue will dissolve what was already there and it can all be wiped off.
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unclestu
Cave Dweller
WINNER OF THE FIRST RTH KILLER CAB CONTEST UNCLESTU'S AGUA NUEVA AGATE
Member since April 2011
Posts: 2,298
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Post by unclestu on Feb 2, 2012 18:17:19 GMT -5
Thanks everyone. I thought of super acetone but wasn't sure. Funny They always drop right off the stick when I hold it over a flame for a bit but this one wouldn't budge.
As far as me cutting around the the edge of the glue would defeat the purpose of dopping in the first place because I would end up doing more damage to my fingers than the diamond wheels.LOL
Stu
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SteveHolmes
fully equipped rock polisher
Member since July 2009
Posts: 1,900
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Post by SteveHolmes on Feb 2, 2012 21:25:25 GMT -5
I use an alcohol lamp. Heat the stone right where he glue is and within about 10 seconds it softens the glue and I can usually break it off. Of course I use screws for my dops...so i'm not sure how it would work on a bigger diameter dop. I used to just use a knife...but I always ended up breaking too many.
steve
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Feb 2, 2012 22:04:00 GMT -5
I hold my stick in such a way that I can put down pressure on one side of the stone and up pressure on the other side of the stone and 98 percent pop right off. If I work on the narrow side of the stone I do not break them. I am a pretty damn tough old bastard so it may not work for you. lol.
Jim
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Post by tandl on Feb 3, 2012 7:46:47 GMT -5
Freezer works quick
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unclestu
Cave Dweller
WINNER OF THE FIRST RTH KILLER CAB CONTEST UNCLESTU'S AGUA NUEVA AGATE
Member since April 2011
Posts: 2,298
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Post by unclestu on Feb 3, 2012 11:08:38 GMT -5
I hold my stick in such a way that I can put down pressure on one side of the stone and up pressure on the other side of the stone and 98 percent pop right off. If I work on the narrow side of the stone I do not break them. I am a pretty damn tough old bastard so it may not work for you. lol. Jim[/quot A 2% failure rate is unacceptable in this mans marine corp. Now get down and pick up the pieces of those 2%ers LOL ;D Thanks for the advice Jim I re heated it again and that puppy just drooped right off. 0OO RAAAHH Stu |
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herchenx
Cave Dweller
Member since January 2012
Posts: 3,360
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Post by herchenx on Feb 3, 2012 11:37:15 GMT -5
Has anyone ever tried turpentine?
I ask because in another reality I am an oil painter and I have this "odorless" (not quite) turpentine called "turpenoid" that I might try out. I use it to clean oil paints out of their brushes.
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Post by Rockoonz on Feb 4, 2012 1:51:50 GMT -5
Fingernail polish remover is acetone with a little something added so it won't dry skin out, if you don't want a gallon of acetone around you can use it instead.
Lee
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Post by frane on Feb 5, 2012 9:15:08 GMT -5
Umm, I have set them in the freezer just like wax and they have come off. If they don't want to let go after that, I then use fingernail polish remover.
Fran
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Feb 6, 2012 23:43:08 GMT -5
The freezer never worked consistently for me. I broke a couple after several hours in the freezer when I tried to pop them off by hand.
I've also tried heating the metal dopstick with a small propane torch & broken a couple that way too.
Acetone is the only surefire way for me. The only problem is when I've had to fill pits with superglue, I can't use acetone. Someday I'll perfect my vacuum dopstick & let you know how it works.
Lynn
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Post by christopherl1234 on Feb 7, 2012 19:23:45 GMT -5
I always just soak my dops in acetone. I use aluminum dops also. It usually only takes a couple of hours to soften the super glue, sometimes a little longer. If it takes more than a few hours I just let them set overnight and then they just fall right off. I have done this with lots of opals and fire agates and it have never harmed a stone,
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mirdonamy
starting to shine!
Don't step on the momeraths!
Member since March 2020
Posts: 31 
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Post by mirdonamy on Mar 30, 2020 18:54:44 GMT -5
Would acetone hurt sandstone?
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Post by stardiamond on Mar 30, 2020 19:02:48 GMT -5
My 95% solution is the freezer. 75% off the time they come off with little pressure or even fall off the stick when in the freezer. Plan B is to take the cab out of the freezer, put a razor blade between the dop and the cab and whack the razor blade with a utility knife. I have had a very low failure rate doing that. If I am concerned about a particular cab leaving a divot or breaking, I would soak in acetone.
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wpotterw
spending too much on rocks
Member since September 2016
Posts: 446 
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Post by wpotterw on Mar 30, 2020 19:09:44 GMT -5
My 95% solution is the freezer. 75% off the time they come off with little pressure or even fall off the stick when in the freezer. Plan B is to take the cab out of the freezer, put a razor blade between the dop and the cab and whack the razor blade with a utility knife. I have had a very low failure rate doing that. If I am concerned about a particular cab leaving a divot or breaking, I would soak in acetone. Stardiamond is absolutely right about the freezer. Haven't lost one stone to that method. |
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Post by stardiamond on Mar 30, 2020 19:57:37 GMT -5
Two failures were from the same material; petrified palm wood. Minimal pressure to the stick and a divot in the back. I don't think I will make number three.
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