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Old 07-28-2009, 06:08 PM
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I still occasionally use brake clean on my hands.
Know its bad, but its to get even worse harmful stuff off.
Have a HD hand cleaner dispenser next to the tool box for right after.

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Old 07-29-2009, 09:22 AM
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Not to hijack but...

This is just a hobby for me, so there is a lot I dont know. What should I be cleaning metal with before welding, that wont cause issues with me?

I tacked a few things together after cleaning with carb cleaner a few months ago, I had no idea that somthing this bad could happen.

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Old 07-29-2009, 01:16 PM
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Quote:
Originally Posted by Chris Petersen View Post
Not to hijack but...

This is just a hobby for me, so there is a lot I dont know. What should I be cleaning metal with before welding, that wont cause issues with me?

I tacked a few things together after cleaning with carb cleaner a few months ago, I had no idea that somthing this bad could happen.
I don't see where using the brake cleaner would cause an issue, provided the area is clean and dry before welding. This welder got into trouble when he hit a spot where the cleaner had puddled and didn't evaporate. Perhaps wiping the area down with mineral spirits or alcohol prior to welding would be better?

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Old 07-29-2009, 01:19 PM
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Thanks for the warning! I have both in my shop (MIG and brake cleaner). Luckily I have never combined the two, but I could see it happening sooner or later. Terrifying!

-J

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Old 07-29-2009, 01:27 PM
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Quote:
Originally Posted by Chris Petersen View Post
Not to hijack but...

This is just a hobby for me, so there is a lot I dont know. What should I be cleaning metal with before welding, that wont cause issues with me?

I tacked a few things together after cleaning with carb cleaner a few months ago, I had no idea that something this bad could happen.

Like others have said Chris, if you let it dry enough, there shouldnt be any issues. Its the first thing I thought of - Brew Dude was really in a rush if hes welding without enough time for Brakleen to dry! (but since it was in a crevice and puddled, the compressed air advise makes good sense!)

I clean all my metals I'm going to weld with Lacquer Thinner, but never thought about looking at its contents...until now. Doesnt have any tetrachlorothylene in it, but I cant say for sure the stuff that IS in it, is any safer to weld over. http://www.newparks.com/PDF/MSDS/SOL...uerThinner.pdf

Heck, I didnt even know tetrachlorothylene was all that bad, so Im not making any recommendations.

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Old 07-29-2009, 01:29 PM
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i just saw Brians post! My typing is too slow. But yeah, same thing.

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Mark S
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Who needs nice and pretty, when you can have mean and nasty?
KRE Aluminum headed 463CID 73 LeMans. Used to run 10.6x @ 124.55. 3700lbs
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So much for 2020...shootin for 9s in 2021...and in 2022 apparently.....and 2023....and 2024.....and 2025.....who am I kidding? there will be no 9s with this engine!
>>My 73 Build thread
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