OSPHO 1 Qt. Rust Treatment Primers flexible joint knife black &

flexible joint knife black & silver tool

and stucco

For Use On PVC & CPVC Pipe & Fittings

offers excellent sandability & is unaffected by finishes

remove putty

OSPHO 1 Qt. Rust Treatment Primers flexible joint knife black &OSPHO 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