Case study
How LOCTITE® 243 Threadlocker eliminated the need to re-tighten bolts in the hundreds of thousands at a solar panel park.
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A large-scale solar park operator faced severe reliability challenges with their installations. The solar panels were mounted using M6 bolts with washers, but vibrations and outdoor conditions led to bolts loosening over time. This resulted in:
- All washers having to be replaced and fitted with correct torque
- Yearly re-tightening of 296,000 bolts to keep structural integrity
- Frequent failures where bolts came completely loose, causing solar panels to detach
- Increased costs due to maintenance labor and downtime
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