Description
Loctite LB 8040 is a 400ml aerosol freeze-and-release penetrating spray that instantly cools seized, rusted, or corroded metal parts down to -43°C to break them apart.
How It Works
- Shock-Freezing: Instantly chills the component to -43°C, causing tiny cracks to form in the rust layer.
- Capillary Action: Special mineral oil wicks deep into the cracks to lubricate and free the fastener.
How to Use It
- Clean: Brush away heavy dirt and loose rust from the stuck part.
- Shake: Shake the aerosol can well.
- Spray: Hold the can 10 to 15 cm away and spray the seized part for 5 to 10 seconds.
- Wait: Allow 1 to 2 minutes for the liquid to soak in before you try to release the part.
- Repeat: Do it again if the part is still stuck tight


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