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Full Product Name K Etch Primer Type of Product K acid etch primer Description Concept K Etch Primer is an acid containing etch and primer in one productThis Product is characterized by excellent adhesion and corrosion protection for a wide range of metal substratesK Etch Primer also includes a rust inhibitor and gives a sound surface

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Dupont Self Etching Primer Spray CanDupli Color CP Clear Adhesion Promoter Primer oz SPRAY TWO COATS OF PART EPOXY PRIMERThe primer dries quickly three thin coats five to ten minutes apart are recommended and can have the color coats applied after only an hour or so WIPE DRY BARE STEEL WITH PREPSOL OR FINAL CLEAN.

Phosphoric acid ester formula promotes paint adhesion to difficult substrates, like galvanized steel and aluminumIdeal for rub throughs in primer prior to application of color and new bare metal panelsEtch and prime bare metal in one step Flat fan high atomization nozzle offers a large fan pattern and excellent coverage Creates an anti corrosive barrier that prevents steel from rusting Can

Types Interior, Exterior, Caulking, Stains, Floor Coatings

etching primer is a carry over from the old days, from what I have gatheredIt is a k lacquer product with a phosphoric acid etchant addedepoxy has no etching properties and is kYou can get DTM epoxy primer and that seems to be what is most commonly used nowadays.

Epoxies for impregnation porosity sealingAdvanced industrial applicationsPrevent part failure from fluids, gases while filling voids between dissimilar surfaces

A two component, self etching primer designed for spot, panel and overall repairsIt is fast drying and provides excellent corrosion resistance and direct to metal adhesion.

BLACK Automotive Low VOC K Urethane Primer Black Gallon Kit, SMR B out of stars product ratings BLACK Automotive Low VOC K Urethane Primer Black Gallon Kit, SMR B .Free shipping, sold.

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Etching primers because they never lock down will usually accept a coating anytime from minutes to months with out a problemIt is very important to get the tech sheet if your planing on waiting an extended period of time because one factor that can change the above is the PH of acid used.

Part Part () options availableSelf Etching Primer provides excellent adhesion and corrosion resistance to properly prepped steel, aluminum and stainless steelTech Data Sheet.

I think what it comes down to is use a self etching primer if you want to save the alumiPrep and alodine steps, but I would prime over your self etching primer as stated on the Dupont Tech Sheet, with a part Mil Spec primerDave

DuPont Self Etching Primer AS Item DUP A S CNA S is a K aerosol etch primer developed to repair small cut throughs on bare metal incurred during vehicle pre paint operationsGrey in colorYour Price .