U-Pol ACID#8 Acid Etch Primer - Black

Phosphoric acid ester formula promotes paint adhesion to difficult substrates, like galvanized steel and aluminum. Ideal for rub throughs in primer prior to application of color and new bare metal panels. Etch 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 be directly topcoated no sanding required Ideal for rub throughs in primer prior to application of color, new bare metal panels and over bare seams before sealant application.