Belzona 5721

High performance & UV-stable coating for protection along the leading edge of wind turbine blades

Belzona 5721


Belzona 5721 is a 2-component, high-performance coating, specifically formulated for protecting the leading edge of wind turbine blades from erosion and impact damage.

This system is ideally suited for the rigorours of in-situ applications, being easy to apply by brush in a single coat. Together with its low-temperature cure technology, Belzona 5721 can maximise available maintenance opportunities and ensure the turbine’s fast return to service.

It is also safe to use due to being cold applied without the need for specialist tools or equipment. Furthermore, the Belzona solution is 100% solids and solvent free, making it suitable for factory application.

Key Benefits:

  • Erosion protection against rain and debris, specifically designed for LEP
  • Outstanding adhesion to GRP (Glass Reinforced Plastic)
  • Curing time is minimised to half an hour, even at temperatures as low as 5°C (41°F)
  • Excellent long-term protection against the effects of UV degradation
  • This solvent-free system is easy to mix and apply by brush, without the need for hot work

Applications for Belzona 5721:

  • Long term protection of the leading edge on wind turbine blades.
  • Erosion and corrosion protection on to similar types of equipment, including fan blades


More information:

For more information about Belzona 5721 please contact us or find your local distributor.

You can apply to join Belzona Connect to access additional information including SDS and instructions for use.

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LEP Application Flyer

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