5000 Series — Wind Turbine Leading Edge Repair

Belzona 5711

High Performance, Fast Curing System for Leading Edge Repairs

A high-performance, easy to apply system specially designed for the repair of erosion and impact damage on the leading edges of wind turbine blades. Supplied in cartridge format — ideal for rope access applicators. Cures quickly and can be overcoated with Belzona 5721 in 45 minutes at 20°C.

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Product Description

Belzona 5711 is a high-performance, easy to apply system specially designed for the repair of erosion and impact damage on the leading edges of wind turbine blades. Supplied in a cartridge format, making it easy to apply — ideally suited for applicators using rope access.

This product has a good working life allowing it to be perfectly contoured to the leading edge, removing the need for sanding and eliminating a step in the repair process. Belzona 5711 cures quickly and can be directly overcoated with Belzona 5721 in 45 minutes at 20°C/68°F, without the need for any additional preparation.

65 min

Full cure at 20°C/68°F

45 min

Ready for 5721 overcoat

5–40°C

Application range, up to 85% RH

System: Belzona 5711 (repair filler) + Belzona 5721 (protective top coat) — together provide a complete Leading Edge Protection (LEP) solution for wind turbine blades.

Key Benefits

Rapid curing system which can be overcoated in 45 minutes, and is fully cured within 65 minutes at 20°C/68°F
Cartridge packaging eases in-situ repair
Can be perfectly contoured, and removes the need for sanding, therefore simplifying the application process
Single product, suitable for use between 5–40°C/41–104°F, and up to 85% RH
Low hazard and 100% solids — cartridge format avoids the need to handle and mix individual components
In combination with Belzona 5721, provides long lasting protection against rain erosion and impact damage