• Coatings

Bayhydrol® UH 2558

Aliphatic, anionic polyurethane dispersion.Binder for the formulation of water-reducible coatings and sealers.

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Product Types

  • Dispersion
  • Non-reactive system
  • Polyurethane
  • Waterbased dispersion
  • PU dispersion - high molecular
  • PU dispersion


Elastic, Solvent-free, Waterborne, Flexible

General Characterization

Bayhydrol UH 2558 is an aliphatic, anionic polyurethane dispersion.
It is suitable as a binder for the formulation of water-reducible coatings and sealers.

Storage Conditions

Bayhydrol UH 2558 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. The product is sensitive to freezing. Freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity and/or an increase of average particle size, possibly resulting in sedimentation or coagulation. Recommended storage temperature is 5º-30ºC.


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Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Flow time at 23^oC, 4 mm cup s ≤ 40
pH (1 : 3 in demineralized water) 7.0 - 9.0
Non-volatile content (1g/1h/125°C convection oven) % 35 - 39

Property Name Test Method Unit Value
Mean particle size nm approx. 60
Density at 20^oC g/ml approx. 1.05


Technical Data Sheet
Safety Data Sheet
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