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Bergolin 4D9700 Putty

Bergolin 4D9700 Putty BERGOLIN

Product Code: SDF-WND-070

Bergolin 4D9700 Putty: Solvent-free elastic light-stable two-component high-temperature putty for wind-turbine rotor blades.

Why does it matter?

Wind-blade coating and repair require joint control of substrate preparation, film thickness, ambient conditions and cure source.

Application and selection checklist

  • Sand and clean the GRP surface according to the current TDS.
  • Measure temperature, humidity and dew point.
  • Verify mix ratio or LED wavelength.
  • Record film thickness and cure indicator.

For product matching, samples and quotation, see the regional wind-energy supply guide.

Technical Details

Technical values are transcribed from the linked manufacturer document or, where equipment has no TDS, from verifiable information in the product name. Use the current TDS/SDS, batch certificate and an actual production trial together for design and process decisions.

Technical Specifications

Binder Polyurethane
Hardener Bergolin 7D9700
Mix ratio by weight 100:36.3
Mix ratio by volume 2:1
Mixed density Approx. 1.46 g/cm³
Processing time at 25°C Approx. 4 minutes
Sandability at 25°C Approx. 50 minutes
Application conditions 25–45°C; <90% RH

Areas of Use

GRP rotor-blade surfacing

High-temperature rapid repair cycles

Filling gaps and surface defects

Levelling before topcoat

Advantages

Solvent-free and approximately 100% solids

Elastic formulation

Short processing and sanding times

Light stable

2:1 ratio by volume

S.S.S

Frequently Asked Questions

Which application suits Bergolin 4D9700 Putty?
Solvent-free elastic light-stable two-component high-temperature putty for wind-turbine rotor blades. Final suitability must be validated for substrate, process conditions and a small-scale trial.
What information should be supplied before ordering?
Provide substrate, production method, target temperature, part size, annual consumption and existing equipment details.
Are TDS values guaranteed design values?
No. Unless explicitly stated otherwise, they are typical values under manufacturer conditions; current TDS/SDS and batch documents take precedence.
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