SEM 69501 Rust Mort 1gal.

Rust Mort is an acidic compound that converts existing rust to an insoluble black coating prior to applying body filler, primer or top coat.   FEATURES Completely 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 APPLICATIONS Rusted ferrous metal PROPERTIES Gallon, quart or pint Green Coats: 3-4 thin Must top coat