OSPHO 1 Qt. Rust Treatment Air Compressors fully hardened

fully hardened

diameter or larger sump basins

140 degree F

For Use Where Code Calls For Primer Verification

Gauge your steak's doneness without cutting into it

OSPHO 1 Qt. Rust Treatment Air Compressors fully hardenedOSPHO is a rust inhibiting coating not a paint. OSPHO causes iron oxide (rust) to chemically change to iron phosphate an inert, hard substance that turns the metal black. Use on new metals, for new ferrous or aluminum metals. Is effective for exterior and interior work alike. Recommended for use under oil base primers and paints. Test a small area before using under epoxy or latex base paint. Covers approximately 600 Sq. Ft. per gallon. Normally