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CA Glue Generates Heat?? (Read 434 times)
 
Steve Arnold
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CA Glue Generates Heat??
Apr 19th, 2017 at 11:37am
 
I was turning a small spinning top for my grandson and I wanted to apply a durable finish to it. I decided to use CA glue for the first time on a piece I was turning. I had the lathe set to about 60RPMs and had a thin disposable glove on my hand to keep the glue from getting on my fingers. (Almost) as soon as I touched the small cloth square containing the CA glue to the top, it became so hot that I could see a small amount of smoke coming off of it and it was too hot to keep my hand on the top.

I've never heard of anyone else having this problem, but I know I can't be the only one.

I don't know if it matters, but the gloves were made of nitrile.

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Glenn Jacobs
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Re: CA Glue Generates Heat??
Reply #1 - Apr 19th, 2017 at 12:11pm
 
YES, CA does generate heat when curing. Use a folded paper towel of at least 4-6 folds.  I normally take a strip about 1 1/2-2 inches wide and fold several times. Be careful of where you toss the used pads as they can generate enough heat to cause a fire.

Glenn J.
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Al Wasser
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Re: CA Glue Generates Heat??
Reply #2 - Apr 19th, 2017 at 12:37pm
 
I do like Glen does except makes the folds about 1 inch. If you take 1/2 of the "small" paper towel and fold it about 1 inch and keep folding you get a multilayered applicator.  Apply the  CA to one end and apply it to the top or whatever.  Let that dry and then tear off the used inch or so. Be careful of both the heat and the fumes.
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Ron Sardo
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Re: CA Glue Generates Heat??
Reply #3 - Apr 20th, 2017 at 6:45am
 
Yes, CA glue can cause enough heat to cause burns.
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Steve Arnold
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Re: CA Glue Generates Heat??
Reply #4 - Apr 20th, 2017 at 9:52am
 
Thanks for all the feedback Guys!

The next time I use CA, I'll apply to a small folded paper towel and I'll also be more careful when disposing of them. Thumbs Up
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Tom Coghill
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Re: CA Glue Generates Heat??
Reply #5 - Apr 20th, 2017 at 5:16pm
 
I might add that the chemicals in that little hot gas cloud given off in during the rapid CA curing process are not good for you.  It doesn't generate a lot of gas, but it can be quite irritating to the eyes!  Smiley Smiley Smiley
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Re: CA Glue Generates Heat??
Reply #6 - Apr 20th, 2017 at 7:49pm
 

Key word was "cloth"

Cotton is especially subject to hot set.

Good news is this is a one time flash of setting CA as contrasted to boiled linseed oil which slow heats and smolders.

Spilling ca glue on cotton pants can attract ones interest quickly.

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Steve Doerr
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Re: CA Glue Generates Heat??
Reply #7 - Apr 20th, 2017 at 8:09pm
 
As was said, cotton and other material can be increase the probability of getting that exothermic reaction.  I have found Viva paper towels and the blue Scott shop towels to work pretty well.  Also, as others have said, folding them and having several thicknesses is very important.

To help with the fumes, place a fan to the side or behind you and have it blow the fumes away from you.

HTH
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Glenn Jacobs
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Re: CA Glue Generates Heat??
Reply #8 - Apr 21st, 2017 at 12:16pm
 
There is not anything more aggravating than eyes full of CA fumes or the Lungs with that stuff.

a fan is good idea. Got to start doing that.

Glenn J.
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Steve Arnold
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Re: CA Glue Generates Heat??
Reply #9 - Apr 21st, 2017 at 11:05pm
 
Ken Vaughan wrote on Apr 20th, 2017 at 7:49pm:
Key word was "cloth"

Cotton is especially subject to hot set.


Well that certainly explains things.

These are what I was using.Embarrassed

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Chris Neilan
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Re: CA Glue Generates Heat??
Reply #10 - Apr 22nd, 2017 at 11:34pm
 
Those would be great for Danish Oil or wipe on poly.
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Steve Arnold
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Re: CA Glue Generates Heat??
Reply #11 - Apr 23rd, 2017 at 5:02pm
 
Chris Neilan wrote on Apr 22nd, 2017 at 11:34pm:
Those would be great for Danish Oil or wipe on poly.


Thanks for the tip.

I have had good luck with them with the poly and I'll have to try them with Danish oil too.
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