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Author Topic:   3M Weld-Thru Primer question
SteveLaRiviere
Administrator

Posts: 20669
From: Saco, Maine USA
Registered: May 99

posted 11-04-2000 01:46 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I'll be doing some welding soon, and I want to use the 3M Weld-Thru primer, but I was wondering if it will interfere with the grounding of the panels I weld.

Do anyone know if it's formulated to conduct electricity, or should I make sure I ground the top panel?

Hmmm, I think I just answered my own question.

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SteveLaRiviere/Webmaster -- MCA # 47773

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Rob Parsons
Gearhead

Posts: 161
From: Lebanon,TN
Registered: Jan 2000

posted 11-15-2000 08:54 AM     Click Here to See the Profile for Rob Parsons   Click Here to Email Rob Parsons     Edit/Delete Message   Reply w/Quote
I tried using a weld thru primer and did not have good results. It seemed hard to strike a good arc and weld when it was on the metal.

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D7-351Z
Journeyman

Posts: 2
From: N.E. Ohio
Registered: Nov 2000

posted 11-15-2000 10:46 AM     Click Here to See the Profile for D7-351Z   Click Here to Email D7-351Z     Edit/Delete Message   Reply w/Quote

Considering the alternative, bare metal in unreachable places, what choice do you have?

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SteveLaRiviere
Administrator

Posts: 20669
From: Saco, Maine USA
Registered: May 99

posted 11-15-2000 05:33 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Rob Parsons:
I tried using a weld thru primer and did not have good results. It seemed hard to strike a good arc and weld when it was on the metal.

That's what I suspected. Guess I'll have to practice.

I've been practicing welding on tin cans. When I master that, then I'll be comfortable enough to start on the car.

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SteveLaRiviere/Webmaster -- MCA # 47773

Have rice for dinner, not transportation!

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tjbatzli
Journeyman

Posts: 5
From: mississippi
Registered: Sep 2000

posted 11-16-2000 10:32 PM     Click Here to See the Profile for tjbatzli   Click Here to Email tjbatzli     Edit/Delete Message   Reply w/Quote
I used the 3m weldthru on just about
everything on the 66, no problems,
but it does seem to start an arc better
after it's dried for about an hour.

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SteveLaRiviere
Administrator

Posts: 20669
From: Saco, Maine USA
Registered: May 99

posted 11-17-2000 05:02 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I plan to let it dry well before I go to it.

Welcome to M&M, by the way!

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SteveLaRiviere/Webmaster -- MCA # 47773

Have rice for dinner, not transportation!

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