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What is WD-40 Not Good For? Key Limitations Explained

Discover what WD-40 shouldn't be used for and learn about its limitations in lubrication and cleaning.

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Video transcript

WD-40 is not suitable for applications requiring lubrication of locks (it can attract dirt), bike chains (it removes necessary lubrication), and electronic devices (it’s not a proper electrical contact cleaner). Use it primarily for loosening stuck parts, removing rust, and preventing corrosion.

Questions and answers

  1. Can WD-40 be used for lubricating locks?

    No, WD-40 can attract dirt and isn't suitable for lubricating locks.

  2. Is WD-40 safe to use on bike chains?

    No, using WD-40 on bike chains removes necessary lubrication and can damage them.

  3. Can WD-40 clean electrical contacts?

    No, WD-40 is not an appropriate electrical contact cleaner and could cause issues.

  4. What are the best uses for WD-40?

    WD-40 is best used for loosening stuck parts, removing rust, and preventing corrosion.

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