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Paint thinner contaminates the weld. You'll regret doing that on aluminum.
I buy it in the 5 gallon barrels from my paint supplier, and it's made for cleaning paint guns, and actually called cleanup thinner, so I don't know if it's different than your basic paint thinner. What I buy isn't used to thin paint....
yosh didnt you say pulse mig would make a tig like weld
It's not laquer thinner magnum is talking about.Laquer thinner is VERY combustible.
There was something in the thread that made me sit up and say WHAT to tho. He (Ztfab)said he cleaned the tubes after bending ,as we all do, and then said he scotchbrited or something the birdmouthed tubes but not the intersecting tube. I have to admit that I never scotchbrite/sand/grind moly tube before welding. It seems like others are fanatical about it.Seriously I've never had a weld break,not that there isn't a first time waiting for me, but I just don't see the importance of it.
Try if sometime, you'll like it. Welds come out much more consistant and cleaner. Some people even like to wipe down with accetone post sand, pre weld.
Here is some of mine with the procedure I spoke of earlier.