Wind Turbine Blade Repair

Gurit offers a range of blade repair products that help to extend the service-life of wind turbines, minimising turbine down times, easy to use while achieving consistent repair quality. The formulations have also been optimised for a wide range of temperature and humidity conditions, maximising the weather window for application while minimising waste and complying with state-of-the art health & safety standards for operators and in-field workers.

Blade Repair Solutions

Learn more about Gurit’s wind turbine blade repair product solutions that extend the service life and reduces downtimes. Note the practical repair packaging, dispensing and mixing solutions for easy processing and handling. Operators appreciate the robust mechanical properties under challenging application conditions. Our materials are qualified by blade OEM as well as DNV-GL and technical support is available worldwide. Two product streams, heat cured and UV cured are detailed in the tables below.

 

Gurit offers materials and application solutions, ideal for permanent repairs, as well as for temporary repairs – with permanency potential.

Gurit offers repair solutions that focus on achieving:

  • Minimum turbine down time
  • Consistent repair quality
  • Ease of application
  • Maximum weather window
  • Minimum environmental impact
  • Maximum operator health and safety

Through:

  • Market leading product health and safety
  • Practical repair packaging
  • Easy processing through smart mixing and dispensing for heat-curing laminating systems
  • Robust process for UV curing prepreg laminating, ideal for temporary repairs
  • Technical support help line
  • Choice of two product streams, Heat and UV cured to suit the best repair scenario

Ambient curing blade repairs

Gurit has a wide range of ambient curing* products that are OEM qualified and available globally through our distribution network. To find your nearest stockist, please visit our Contact Gurit page.

*Post cure may be needed to achieve desired properties.

GURIT PRODUCTS

Product

Application Temperature Range

Sizes 

Speeds

Technical Datasheets

LAMINATING

Ampreg 30

5-30°C

600ml Cartridge

Fast & Standard

1.26kg & 4.66kg Packs

Fast to X-Slow

Ampreg 31

5-30°C

600ml Cartridge

Fast to X-Slow

1.26kg & 4.66kg Packs

INFUSION

PRIME™ 37

15-30°C

4kg Packs

Fast to X-Slow

FILLER

S'Fill 15 Min

10-20°C

5L & 10L Packs

Fast

S-Fair 600

10-20°C

2L Packs

Fast & Standard

ADHESIVE

Spabond™ 400 Range

10-20°C

400ml Cartridge

Fast to X-Slow

Spabond™ 730

10-20°C

600ml Cartridge

Fast

Spabond™ 5-Minute

10-20°C

400ml Cartridge

Fast

AMPREG™ 3X SERIES

The AMPREG 3X range of laminating systems have excellent mechanical and thermal properties and good cure progression from ambient only cures. Additional features include:

  • EASY MIXING AND APPLICATION

    Gurit Ampreg™ 3X Laminating Series is available with a single range of hardener speeds from fast to extra slow. Small packs optimised for wind repair operations are available

  • UV STABILITY

    Ampreg™ 3X is UV stable for most wind repair applications for short periods of time, facilitating emergency repairs between routine maintenance windows, without topcoat and whilst retaining its mechanical properties

  • LIGHT REFLECTIVE TECHNOLOGY

    Gurit Ampreg™ 3X Laminating Series has Light Reflective Technology (LRT) as standard, allowing the material to fluoresce under UV light. This can be used for contamination checks, health and safety monitoring or for fast inspection of repaired parts

  • AWARD WINNING

    Gurit’s innovative approach to prioritising user health & safety has been recognised and awarded the Composites UK Innovation in Composite Materials award

  • EXCELLENT HEALTH & SAFETY

    Gurit Ampreg™ 3X Laminating Series is free from SVHC’s & CMR’s

  • CERTIFICATIONS

    Ampreg™ 30 and Ampreg™ 31 are DNV-GL and Lloyd’s Register certified

Ampreg™ 3X CDS Cartridge Dispense System

  • Elimination of human error of mixing and dispensing
    • Perfect mix ratio (pre-weighed)
    • Perfect mix quality (mixer nozzle)
  • Clean application process
  • Pot life advantages/extensions – taking stress out of laminating operation
  • Reduction of numbers of hardener speeds needed
  • 70% reduction of hazardous material and packaging waste
  • 70% reduction in CO2 emission in packaging going from hard plastic containers to bags

UV curing blade repairs

Gurit’s market leading UV curing solutions require specialist training and equipment. To find out more or to find the nearest material stockist, please visit the Contact page.

GURIT PRODUCTS

Product

Application Temperature Range

Sizes

Technical Datasheets

PREPREG

RENUVO PP

5°C-55°C

600gsm E-Glass UD & Biax

PRIMER

RENUVO MPS

5°C-55°C

310ml Cartridges

PREPREG + PRIMER

RENUVO PP-MPS 

5°C-55°C

see above

RENUVO™ Prepreg Laminating System

  • Time saving and efficiency, – ultimately saving up-tower/on-blade time and an expanded repair weather window
  • In particular fit for temporary repairs –
    • laminating repairs
    • filling and fairing
  • Improved health and safety – CMR free and removes risks of resin curing on ropes
  • No need for vacuum or heating for up-tower laminating
  • A quickly finished laminating repair up-tower/on-blade, before fill, fair and final coating system application
  • No hazardous waste

NEW Improved Tools

  • RENUVO™ Cure Lamp
    • Robust aluminium casing
    • Extended light array, width: 16.5 cm
    • Powered by 2 standard DeWalt/Milwaukee rechargeable hand tool batteries (to be carried up tower in a canvas belt bag)
  • Repair Patch Preparation Tools
    • Silicone vaccuum consolidating heater mat
    • Spike roller for air evacuation

Using the RENUVO™ method, requires specialist training and equipment. Technical support, product and process training through our distribution partner HF Industri & Marine ApS, or from Gurit (UK) Ltd.

 

“Wind energy is increasingly critical for powering our societies and reduce dependency on fossil based energy sources. 20 to 25 years of wind turbine blade operational life resulting in an already ageing fleet and end of life disposal issues bears great challenges. To keep turbines spinning and to manage overall costs of operation and maintenance, – efficiently made, high quality repairs are essential. Gurit’s unique in-field laminating systems (the new Ampreg 30 Cartridge Dispense System and our UV curing solution RENUVO with enhanced tools) aims to do just this. Following pre-launch of these laminating systems and together with our other blade repair materials, we are grateful to see the positive market response.”

Klavs Weis-Fogh

Sales Manager for Wind and Composites Repair, Gurit

Contact our wind repair experts

Gurit Wind Repair Expert

Klavs Weis-Fogh

klavs.weis-fogh@gurit.com

GURIT WIND REPAIR MATERIALS DISTRIBUTION PARTNER AND RENUVO MATERIALS STOCKIST

HF Industri & Marine

Global

info@hfmarine.dk

https://b2b.hfmarine.dk/blade-repair2

More information about our Wind Energy Solutions

You want to know more about Gurit's offering for the Wind Turbine Industry? Our experts will be happy to support you.

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