Leading edge repair and protection solution for wind turbines

Optimised to be easy-to-apply, fast-curing and hard-wearing, the combination of Belzona 5711 and Belzona 5721 is specially designed to fortify wind turbine blades with outstanding protection against leading edge erosion for the long term.

Since its launch in October 2019, Belzona’s leading edge protection coating, Belzona 5721, has already been deployed at numerous wind farms worldwide to great success. Lauded as an “extremely fast and cost-effective solution for protecting leading edges” by Jæren Vind Energi AS in Norway, the turbine blade coating provides a quick and straightforward means of protecting leading edges in situ.

Now, building on this knowledge and experience in the field, the company has developed Belzona 5711 – a thixotropic paste specially designed to be applied in conjunction with the Belzona 5721 protective coating (amongst other product options). This solvent-free, 2-part repair paste is specially formulated for the in-situ repair and rebuilding of leading-edge erosion and impact damage on wind turbine blades.

Commenting on Belzona’s new polymeric solution for the wind industry, Jason Horn, research and development manager, said: “Whilst offering rapid cure, Belzona 5711 also has a good working life which allows for the material to be perfectly contoured/formed to the leading edge of the blade. This removes the need for sanding, therefore, eliminating a step in the repair process and simplifying the application.

 “Belzona 5711 cures quickly and can be directly overcoated with Belzona 5721 in as little as 30 minutes at 20°C/68°F – without the need for any additional preparation. At the same temperature, Belzona 5721 will be fully cured within five hours, allowing the turbine to be returned to service in the same day.”

He concluded: “With the combination of Belzona 5711 and Belzona 5721, the balance between usability and rapid return-to-service makes the products ideal for in-situ repair across a broad application temperature range. The long shelf-life also makes Belzona an ideal stocking material for wind turbine maintenance.”

Belzona Polymerics

Claro Road
Harrogate
HG1 4DS
UNITED KINGDOM

01423 567641

belzona@belzona.co.uk

www.belzona.com

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