OSPHO 1 Gal. Rust Treatment Connecticut Electric perforated blade

perforated blade

heat treated carbon wire provides long lasting aggressive brushing action

Swivel spray aerator

black oxide

OSPHO 1 Gal. Rust Treatment Connecticut Electric perforated bladeOSPHO 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