OSPHO 1 Gal. Rust Treatment Lamps & Fuses fiberglass and painted surfacesPressure sensitive

fiberglass and painted surfacesPressure sensitive stick-on holding system resists slippingHeavy duty paper resist tearing

painted metal and properly prepared glossy surfaces

The temperature sensing element must be immersed in the water within the top 6"(152mm) of the tank

Removes soils from fins and coils

OSPHO 1 Gal. Rust Treatment Lamps & Fuses fiberglass and painted surfacesPressure sensitiveOSPHO 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