WD-40 is a versatile spray lubricant used for lubricating, displacing moisture, preventing rust and corrosion, and cleaning various surfaces. Its name stands for "Water Displacement, 40th formula," referencing its development in 1953 by the Rocket Chemical Company to protect missiles from rust and corrosion. The product's unique formula allows it to penetrate tight spaces, dissolve grease and grime, and loosen stuck parts, making it useful in a wide range of household, automotive, and industrial applications.
Key Functions
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Lubrication: Provides a lubricating film to reduce friction on moving parts.
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Water Displacement: Protects against moisture, helping to prevent rust and corrosion.
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Penetration: Its low-viscosity liquid can penetrate small spaces and loosen stuck or seized parts.
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Cleaning: Acts as a solvent to remove grease, grime, adhesives, and even tar and tree sap from surfaces.
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Rust Prevention: Coats metal parts to protect them from rust and corrosion.
Common Uses
- Lubricating hinges and mechanisms to stop squeaks
- Freeing stuck nuts and bolts by penetrating rusted or corroded components
- Cleaning and shining stainless steel appliances and removing fingerprints
- Removing tar, sap, and bird droppings from vehicles
