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Zinc weld through primer.
Excellent for use over cured por 15 rust preventive coating.
Sem 39783 weld thru primer 13 oz.
Minimizes heat zone during welding.
Zinc based formula for best in class corrosion protection.
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.
Zinc weld through primer is not actually intended for use with mig welding.
Por 15 weld thru primer also adheres well to steel aluminum stainless steel brass and other primed and painted surfaces.
You can choose between zinc or copper based primer.
U pol products 0768 zinc copper weld.
Kent zinc rich weld through primer 12oz aerosol 1618169.
You can choose between zinc or copper based primer.
This is used in places where you cannot get to after you are done welding like rocker panels.
Weld through primer goes on the backside of what you are welding and leaves a protected surface after you weld you don t actually weld through the primer.
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.
Alkyd resin based zinc phosphate anti corrosion primer offers rust protection for spot mig tig welding applications.
Zincweld is a zinc based weld through primer that provides superior corrosion protection between welded substrates while minimizing heat affected zones and welding spatter.
Buy sem 39783 weld thru primer 13 oz.
Water resistant after.
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.
Has excellent adhesive properties.
This weld through primer offers two formulations.