SEM Rust Mort 69504 Acidic Compound, 1 qt Bottle, Green 58308 Justrite is a trusted manufacturer

Justrite is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America

This formula is both paint shop and clear coat safe

scratch resistant coatings

5 cfm at 35 psi

SEM Rust Mort 69504 Acidic Compound, 1 qt Bottle, Green 58308 Justrite is a trusted manufacturerRust Mort is an acidic compound that removes or converts existing rust to an insoluble black coating prior to applying body filler, primer or top coat. Why Pros Choose SEM SEM Converts and removes light rust Converts heavy rust into a stable, workable substrate Creates ideal surface for filler or primer Easy to use Ready to apply Requires minimal surface preparation Minimal surface preparation How to Use For use on rusted ferrous metal Compatibility