rockingthenorth
fully equipped rock polisher
Member since January 2012
Posts: 1,637
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Post by rockingthenorth on Jan 19, 2013 21:31:29 GMT -5
How do you get old cracked acrylic off slabs, In sept. my brother-in-law gave me a bunch of slabs that has acrylic on them and it's cracked and chipped and I was wondering if you can take it off.
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shermlock
has rocks in the head
Member since August 2011
Posts: 612
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Post by shermlock on Jan 19, 2013 21:36:04 GMT -5
If it is glued on, I'd try acetone in a pan and soaking the rocks over night.
Scott
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rockingthenorth
fully equipped rock polisher
Member since January 2012
Posts: 1,637
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Post by rockingthenorth on Jan 19, 2013 21:45:32 GMT -5
Thanks shermlock I don't know if it's glued but it's old and yellow and would like to use the slabs for cabs if I can. the acetone isn't going to hurt the slabs is it?
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shermlock
has rocks in the head
Member since August 2011
Posts: 612
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Post by shermlock on Jan 19, 2013 21:52:05 GMT -5
I've never had it hurt any of my stones but I don't work in the uber high end stuff. I know it hasn't hurt any of the agate, crazy lace, hard jaspers, or pudding stone that I have used it on. If it is expensive, wait for one of the more veteran members to reply just to be safe!
Scott
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rockingthenorth
fully equipped rock polisher
Member since January 2012
Posts: 1,637
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Post by rockingthenorth on Jan 19, 2013 21:55:50 GMT -5
I don't know how exspensive it is I got it for nothig but it is plumes and stuff like that. I would like to keep them whole but they look so bad with the cracked and chipped acrylic
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Post by Pat on Jan 19, 2013 22:13:14 GMT -5
Tammy, I've used acetone to remove stuff from slabs and cabs. Works well, and no apparent damage.
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Post by Rockoonz on Jan 19, 2013 23:39:37 GMT -5
Lots of old timers like to use acetone to clean oil off before wax dopping.
For an overnight soak use a tight cover, acetone evaporates quickly.
And use metal or glass, Acetone will melt some plastics.
Lee
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blackout5783
starting to spend too much on rocks
Member since November 2011
Posts: 248
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Post by blackout5783 on Jan 20, 2013 11:35:54 GMT -5
Acetone won't hurt the slabs. Its hell on anything that's a polymer/adhesive/plastic, but stone is fine.
I'd be hesitant to throw opals in though. The flash of color is caused by trapped water molecules in the material (I think), and the acetone might "dehydrate" them. Maybe.
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Post by gr on Jan 20, 2013 11:50:46 GMT -5
Just mark out your cabs, cut them out and the acrylic will grind of in the cabbing process. Are you keeping the slabs as specimens?
Also Tammy, it's a good idea to protect your skin from the acetone. It's my understanding that it only takes 4 seconds for the acetone to get to the liver once it's on your skin. Be safe
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blackout5783
starting to spend too much on rocks
Member since November 2011
Posts: 248
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Post by blackout5783 on Jan 20, 2013 13:16:37 GMT -5
Also Tammy, it's a good idea to protect your skin from the acetone. It's my understanding that it only takes 4 seconds for the acetone to get to the liver once it's on your skin. Be safe Acetone isn't absorbed through the skin. It will cause your skin to dry out and crack with repeated exposure. You're on the mark with liver damage, but its through ingestion or repeated vapor inhalation. Definitely use enough ventilation! |
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rockingthenorth
fully equipped rock polisher
Member since January 2012
Posts: 1,637
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Post by rockingthenorth on Jan 20, 2013 13:22:12 GMT -5
Thanks all I will have to try and gr I did not know that acetone does that
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Post by Rockoonz on Jan 20, 2013 15:57:42 GMT -5
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rockingthenorth
fully equipped rock polisher
Member since January 2012
Posts: 1,637
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Post by rockingthenorth on Jan 20, 2013 18:18:07 GMT -5
Is'nt acetone what we ladys use to remove finger nail polish.
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Post by kap on Jan 20, 2013 20:26:36 GMT -5
Yep! I steal my wife's all the time  |
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Post by Rockoonz on Jan 21, 2013 0:38:24 GMT -5
Nail polish remover has skin moisturizer in it to help with dry skin and a little bottle costs about the same as a gallon can of straight acetone. BTW wear nitrile gloves, not latex.
Lee
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Jan 27, 2013 17:43:17 GMT -5
acrylic will dissolve in acetone. It will take longer than the glue but it should melt into a goo in a few days. Acetone evaporates easily so put it in a glass jar with a tight lid.
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