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The RUST-OLEUM 384757 is a 12 oz aerosol automotive primer spray in a flat dark gray finish, part of the Stops Rust Custom Spray 5-in-1 line. It is designed to create a durable base coat compatible with most automotive lacquers and enamels, making it a go-to for body shop techs, auto detailers, and experienced DIYers working on vehicle surfaces. The can features a Custom Spray 5-in-1 adjustable dial tip that allows the applicator to control spray pattern width and direction, reducing overspray and improving coverage on irregular surfaces. The formula is wet sandable, allowing for surface preparation between coats.
This primer is formulated for use on indoor and outdoor metal and fiberglass surfaces. Typical applications include automotive body panel prep, fender repairs, door skin work, and fiberglass component priming. It is not suitable for use on galvanized steel. The flat dark gray color provides a neutral undercoat that works well beneath darker topcoat finishes commonly used in automotive refinishing work.
Designed for use on automotive and general metal or fiberglass surfaces. Compatible as a base coat under most automotive lacquers and enamels. Not compatible with galvanized steel substrates.
Surface preparation is critical before applying primer — clean the substrate thoroughly and remove loose paint, rust scale, or contaminants. Apply in a well-ventilated area and follow all label guidance for spray distance and temperature ranges. Wet sanding between coats should be performed with appropriate grit sandpaper before applying topcoat finishes. Dispose of empty aerosol cans in accordance with local regulations.
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