This is used in places where you cannot get to after you are done welding like rocker panels.
Zinc weld through primer.
High concentration of zinc in the dry film in a fast drying formulation to speed up the welding process with limited impact on the weld.
Leaves surface strong and protected.
Por 15 weld thru primer also adheres well to steel aluminum stainless steel brass and other primed and painted surfaces.
Has excellent adhesive properties.
The product can be used before and after welding.
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Buy sem 39783 weld thru primer 13 oz.
Provides corrosion resistance to welding surfaces.
Others have stated that you have to spray several coats of weld through primer let each coat dry really well then scrape the spot that you plan to weld in order to get a good and smooth weld.
Water resistant after.
You can choose between zinc or copper based primer.
Zincweld is a zinc based weld through primer that provides superior corrosion protection between welded substrates while minimizing heat affected zones and welding spatter.
Zinc weld through primer is not actually intended for use with mig welding.
Kent zinc rich weld through primer 12oz aerosol 1618169.
Excellent for use over cured por 15 rust preventive coating.
You can choose between zinc or copper based primer.
Minimizes heat zone during welding.
This specific brand of primer works best with rust prevention so keep that in mind if you are in an area with a lot of moisture or humidity.
This weld through primer offers two formulations.
Dupli color edpp108 weld thru cold galvanizd primer packaging may vary.
Sem 39783 weld thru primer 13 oz.
Zinc based formula for best in class corrosion protection.