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๐ ๏ธ Prime like a pro, protect like a boss!
U-POL ACID#8 Acid Etch Primer is a high-performance 1L aerosol primer designed for bare metal surfaces including galvanized steel and aluminum. Featuring a phosphoric acid ester formula, it combines etching and priming in one step to ensure superior paint adhesion and long-lasting corrosion resistance. Its flat fan nozzle provides even coverage with no sanding required before topcoating, making it an efficient choice for professional automotive refinishing and metalwork protection.




| ASIN | B004SR5ZXS |
| Age Range Description | Adult |
| Best Sellers Rank | #190,701 in Automotive ( See Top 100 in Automotive ) #91 in Automotive Primers |
| Brand | U-POL |
| Brand Name | U-POL |
| Color | Aluminum |
| Color Code | #D3D3D3 |
| Container Type | Can |
| Coverage | 33.8 Fl Oz or 1.0 liters |
| Customer Reviews | 4.5 out of 5 stars 121 Reviews |
| Finish Type | Matte |
| Global Trade Identification Number | 05010796103309 |
| Included Components | Tin |
| Indoor Outdoor Usage | Outdoor |
| Is Waterproof | False |
| Item Form | Aerosol |
| Item Type Name | National Rule ACID#8 Acid Etch Primer |
| Item Volume | 1 liters |
| Item Weight | 16 ounces |
| Manufacturer | U-Pol Products |
| Model Name | 0776 |
| Model Number | 0776 |
| Part Number | 0776 |
| Size | 33.8 Fl Oz (Pack of 1) |
| Special Feature | Rust Resistant |
| Special Features | Rust Resistant |
| Specific Uses For Product | Interior/Exterior |
| Surface Recommendation | Metal, Plastic, Wood |
| Unit Count | 33.8 Fluid Ounces |
| Water Resistance Level | Water Resistant |
G**F
Very high quality
Very expensive, although extremely high quality. I mean "high quality " Been painting 50+ years...I cant imagine anyone being disappointed
W**M
Necessary product but not enough for the money.
Product did as it was expected to do. It went on easily and helped the raptor truck bed liner to adhere as expected. The only downfall is the little amount you get for the high price it cost.
T**T
Highly recommended to me by professionals.
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!
L**Y
Seems OK, but color didn't want to stick.
I;m not sure what to make of this. I sprayed two medium-light coats as instructed, then two coats of color. When reading the instructions, it indicates that color may not work over this primer. What?? What else would you do? I did notice that some of the color flaked up in spots and didn't seem to gel with the primer. It also seems to scratch off fairly easily and not really adhere to the bare iron. While I'm sure this product has its benefits, if you're looking to paint bare metal, I would go with a straight engine paint that will be more durable. It may be the case that this primer is supposed to get another coat of regular primer before color, but that's just too much to deal with IMO.
H**C
Great product
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.
J**A
Easy to shoot
Seems to be a Great product as with any coating time will tell. I shot this out of a 1.5 and it laid down great. Degreased then primed these awnings and finished with raptor spray in bedliner. Will use again.
J**N
๐
Perfect amount for 2 coats in a 6.5' bed before bedliner
R**B
Good prep primer on aluminum
Put bedliner on deck of aluminum boat. This primer gave me perfect basecoat for spray-on bedliner.
Trustpilot
1 day ago
2 weeks ago