Permatex Rust Treatment, Content 290g, Made in USA

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