Permatex Rust Treatment (Body Filler Compatible), 16 fl oz bottle,

Provides one-step treatment that destroys old rust and prevents new rust. Just brush or spray on. Within minutes, rust is replaced by a durable black polymer coating that may be painted. Excellent protective primer. Specially formulated to be used with body filler and fiberglass. Can be used when temperature is between 50°F and 90°F (10°C and 32°C) and on surfaces which do not exceed 200°F (93°C). Aerosol - Level 2

Suggested Applications: Encapsulates rust on automotive applications; trucks, trailers, storage tanks, pipes, valves, fences, guard rails, bulkheads, overheads, decks, hatch covers (topcoat with appropriate marine paint), agricultural equipment, plows, tractors, and snow removal equipment.