SKYCO OSPHO 1275 Metal Treatment-Rust Converter 1 gal

SKYCO OSPHO 1275 Metal Treatment-Rust Converter 1 gal. A rust-inhibiting coating. OSPHO causes iron oxide (rust) to chemically change to iron phosphate. Resists/retards rust, provides a sound base for paint. SKYCO OSPHO 1275 Metal Treatment-Rust Converter 1 gal A rust-inhibiting coating. OSPHO causes iron oxide (rust) to chemically change to iron phosphate. Resists/retards rust, provides a sound base for paint.