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Old 11-15-2022, 10:28 AM
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dubby dubby is offline
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Default Watching CA glue dry...

It seems like every video on youtube that involves people "making" stuff in their shop has a big bottle of CA glue and a spray bottle of activator constantly at the ready. I have never used anything other than the Loctite Gel stuff, and it has always seemed to work just fine. I've always thought it was for fixing f-ups, not for use every few minutes in a project when you didn't have a clamp, or when you were in that big a hurry.

However, I have a project in mind that I think I want to try and I think their technique might come in handy. The glue shelf at HD doesn't have any Youtube Superglue Spray. Does anyone have product recommendations on what to order?
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Old 11-15-2022, 11:53 AM
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Heat helps make superglue set faster, but if you want quick speed try this stuff. https://www.amazon.com/Starbond-Inst...29976035&psc=1

CHEAPER.... https://www.ebay.com/sch/i.html?_nkw...a35e3332731442
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Last edited by Tim KS; 11-15-2022 at 11:59 AM.
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Old 11-15-2022, 12:51 PM
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Baking soda will speed up the setting time. It can also be used to build up where pieces are missing. Just dust it on or fill the holes with the powder.
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Old 11-15-2022, 07:46 PM
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I've always used this stuff
https://www.amazon.com/Pacer-Technol...23790456&psc=1

It's not so much that it is faster, but it will make the glue dry in situations where it wouldn't normally dry. Like filling a gap, or making it dry before it has time to run out of the bond line. It makes the glue real hot though, you don't want to have some glue on your hands and hit it with this stuff, it will burn you. Don't ask me how I know that
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Old 11-16-2022, 12:13 AM
Lowe.Buuck Lowe.Buuck is offline
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Or you could try a DIY solution:

https://www.youtube.com/watch?v=0aOUaHaxGc0
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Old 11-16-2022, 10:23 AM
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Quote:
Originally Posted by MotorDoctor View Post
I've always used this stuff
https://www.amazon.com/Pacer-Technol...23790456&psc=1

It's not so much that it is faster, but it will make the glue dry in situations where it wouldn't normally dry. Like filling a gap, or making it dry before it has time to run out of the bond line. It makes the glue real hot though, you don't want to have some glue on your hands and hit it with this stuff, it will burn you. Don't ask me how I know that
I had actually wondered if it produced any heat or not. That's good to know, for the project idea just as much as the fingers .

Now that I've read up a little on this stuff, they also talk about residue. In the DIY video with the alcohol/baking soda, I can see where it would come from. Wondering how well that cleans up after the cure? While it isn't a big deal if the actual joint is a little dirty or cloudy, I don't want a big splash of stuff showing up elsewhere. I did see that you could easily use it as a "drop" for more precise application so that's an option.
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Old 11-16-2022, 11:28 PM
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I did not watch any of those videos but I have used a lot of cyanoacrylate glue before and there are some things I know about it.

Number one, protect your eyes from the fumes! They burn like an MF.

Number two, this glue cures when you remove the air. It works best with a tight fitting joint where you can squeeze out every bit of air and every bit of excess glue and once you do that, it cures very rapidly.
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Old 11-17-2022, 10:27 AM
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Quote:
Originally Posted by CaddmannQ View Post
I did not watch any of those videos but I have used a lot of cyanoacrylate glue before and there are some things I know about it.

Number one, protect your eyes from the fumes! They burn like an MF.

Number two, this glue cures when you remove the air. It works best with a tight fitting joint where you can squeeze out every bit of air and every bit of excess glue and once you do that, it cures very rapidly.
So the obvious question is, how or why does it stay liquid in a sealed container? That question applies to Loktite as well.
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Old 11-17-2022, 10:42 AM
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According to the dude in the How-To video, it actually cures due to water. Humidity in the air is "usually enough" to get the process working. His mix consisted of 70% alcohol and baking soda.

I have never had CA glue dry as fast as it has always seemed to on the commercials. Makes sense that humidity could play a part in that. We don't have water in our air out here.
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Old 11-17-2022, 11:36 AM
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Here is todays chemistry lesson. https://youtu.be/1hY1jyGNzIo

I think he said that you need moisture, but other things work also.
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