U-POL Acid 8 1k Etch Primer 1 Litre

It will be years before I know how this primer has actually performed (I hope!), but I have high hopes for it! I'm painting a couple of aluminum duck boats that can expect to see abuse. Be prepared for some serious off-gassing, but I bought a quality filter mask from Home Depot and it works fine. I'm also being very protective of my eyes given the "acid" component. Key is preparation: Wipe down w acetone, sand with 220 grit until all shine is gone, wipe down with acetone again until rag comes away clean. Then you can start spraying the primer!

I used Acid 8 on several fabrication projects where bare steel is welded and sanded. I cleaned with lacquer thinner and sprayed Acid 8 followed by Raptor Bed Liner spray. Never had any issues with adhesion and the finished project looks great. Some projects are 3 years old and stored outside in the North East with no rust.

used on 3/16" armor skid plates for my OHV. used a grinder to remove surface rust, cleaned with drug-store isopropyl, applied 1 coat of this primer with a cheap paint brush, let dry 1 day, painted with Raptor Liner, let dry for 3 days ... 6 months later, no rust, no raptor liner flaking ... great product

Worked as it should if your wanting to use a cheap and quick primer for a lower quality job. It is nice that you do not have to sand before base-coating according to the instructions.

Great product for aluminum Jon boats :) already thinned ! Just pour and spray.