WD-40 Specialist Corrosion Inhibitor is an anti-rust spray used to protect metal parts from corrosion for up to 1 year outdoors or 2 years indoors.1 It contains metal-seeking Vapor Corrosion Inhibitors that seal & protect metals from the air and moisture that can cause rust. These Vapor Corrosion Inhibitors continue to work even if some of the sprayed surface is rubbed off and can reseal the vulnerable surface to continue providing protection.
Corrosion Inhibitor is ideal for use on tools, locks, propane tanks, hinges, chains, cables, metal doors, car parts and any untreated metal or iron exposed to the elements or damp storage conditions. It is safe on most metals and plastics when used as directed. Avoid prolonged contact with rubber.
1Independent testing conducted in salt spray and humidity chambers. Results may vary depending on actual conditions.
- Protects against corrosion for up to 1 year outdoors or 2 years indoors.1
- Ideal for use prior to long-term storage
- NSF Nonfood Compounds Program Listed A7 (#146726)
- Does not require California Prop-65 warning
- 50-State VOC Compliant
Works Great On:
Gears
Locks
Chains






WD-40 Specialist® Corrosion Inhibitor
WD-40 Specialist Corrosion Inhibitor is an anti-rust spray used to protect metal parts from corrosion for up to 1 year outdoors or 2 years indoors.1 It contains metal-seeking Vapor Corrosion Inhibitors that seal & protect metals from the air and moisture that can cause rust. These Vapor Corrosion Inhibitors continue to work even if some of the sprayed surface is rubbed off and can reseal the vulnerable surface to continue providing protection.
Corrosion Inhibitor is ideal for use on tools, locks, propane tanks, hinges, chains, cables, metal doors, car parts and any untreated metal or iron exposed to the elements or damp storage conditions. It is safe on most metals and plastics when used as directed. Avoid prolonged contact with rubber.
1Independent testing conducted in salt spray and humidity chambers. Results may vary depending on actual conditions.
- Protects against corrosion for up to 1 year outdoors or 2 years indoors.1
- Ideal for use prior to long-term storage
- NSF Nonfood Compounds Program Listed A7 (#146726)
- Does not require California Prop-65 warning
- 50-State VOC Compliant
Works Great On:
Gears
Locks
Chains
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TIPS & TRICKS
Protect expensive industrial equipment—like wind turbine blades and parts—in high humidity environments with WD-40 Specialist Corrosion Inhibitor.
Spray WD-40 Specialist Corrosion Inhibitor on tools, chains, locks, propane tanks, exposed hinges and more. Protect your equipment instead of replacing it.
Spray WD-40 Specialist Corrosion Inhibitor on metal components for long-term rust blocking.
WD-40 Specialist Corrosion Inhibitor is the go-to can for metal fabrication shops. Stop rust and corrosion whether you’re storing materials and tools inside or outside.
Treat the metal components of lawnmowers, snowmobiles and snowblowers before storing for a rust-free season. WD-40 Specialist Corrosion Inhibitor can even winterize your fishing rods and garden tools.



