Permatex Rust Treatment destroys rust and prevents new rust in one step.
Brush or spray on, and within minutes, a durable black polymer coating replaces rust, which can be painted and serves as an excellent protective primer.
Formulated for use with body filler and fiberglass, this rust treatment can be applied in temperatures between 50°F and 90°F (10°C and 32°C) and on surfaces that do not exceed 200°F (93°C).
Destroys rust on all applications automotive, trucks, trailers, storage tanks, pipes, valves, fences, bulkheads, overheads, decks, hatch covers (topcoat with appropriate marine paint), agricultural equipment, plows, tractors, and snow removal equipment.
Not recommended for repairs to automotive exterior sheet metal.