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Extended application
for the Toughest Jobs on Planet Earth®
It features an aluminum finish and is non-handed for right or left-hand doors measuring 1 in
Meets A112
and siding
OSPHO 1 Gal. Rust Treatment Sanding Disc Backing Pad Extended applicationOSPHO 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
