Rust Penetrant Spray 3M 1633 (MPN 7000061454)

Rust Penetrant Spray 3M 1633 is an aerosol formula designed to loosen and penetrate rust and corrosion on metal surfaces. The spray delivers a thin, low-viscosity fluid that seeps into threads, joints and tight clearances to free seized bolts, nuts and fittings. Its aerosol format provides targeted, controlled application in maintenance, repair and mechanical servicing environments while aiding surface preparation prior to repair or painting.

Advantages

The product offers rapid penetration into corroded areas, reducing the force required to disassemble rusted components. Its aerosol delivery allows precise application to hard-to-reach points and minimizes waste. The formulation helps displace moisture from contact surfaces and provides temporary lubricity to threaded connections and moving parts, facilitating subsequent mechanical work and surface treatment.

Suitable for

• Loosening seized bolts, nuts and screws
• Freeing corroded fittings and hinges
• Maintenance and repair of automotive and industrial equipment
• Surface preparation before cleaning, painting or welding
• Disassembly tasks in workshops, garages and service centers

Key specifications

• Aerosol delivery for precise application
• Low-viscosity penetrant to reach threads and tight clearances
• Formulated to displace moisture and reduce friction
• Suitable for use on ferrous metal surfaces and common metal fasteners
• Leaves temporary lubricating film to assist mechanical movement

How to use

Shake the can well before use. Direct the nozzle toward the affected area from a short distance and apply a light, even coat to the rusted joint, thread or fitting. Allow time for the penetrant to soak into the corrosion—penetration time will vary depending on severity of rust; for best effect, wait several minutes and reapply if necessary. After penetration, attempt to loosen the component using appropriate tools, taking care to apply steady, controlled force. Clean excess residue from the area and follow with any required surface treatment such as degreasing, priming or painting.

Usage recommendations

Use in a well-ventilated area and avoid open flames and ignition sources during application. Test on a small, inconspicuous area if compatibility with painted or plated surfaces is a concern. Store the aerosol upright at moderate temperatures and follow local regulations for disposal of empty cans.