• Coatings

Bayhydrol® U XP 2766

Anionic, hydroxyfunctional polyester-polyurethan dispersion, solvent-free.Binder for the formulation of water-reducible 2K-PUR coatings.

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Product Types

  • Dispersion
  • PU dispersion
  • PU dispersion - hydroxy-functional
  • Waterbased dispersion


Elastic, Easy mixing, Hard, High functional, Low viscous, Solvent-free, Waterborne, Flexible

General Characterization

Bayhydrol U XP 2766 is an anionic, hydroxyl-functional polyester-polyurethane dispersion. It is solvent free.
It is suitable as a binder for the formulation of water-reducible two-component polyurethane coatings.

Storage Conditions

Bayhydrol U XP 2766 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. The product is sensitive to freezing. Prolonged 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.
The viscosity of the product is largely governed by the pH. As the pH may decrease during storage, a decrease in viscosity is also to be expected. The viscosity can be restored to its original value by the addition of small amounts of an aqueous 10% solution of dimethyl ethanol amine. Recommended storage temperature is > 0º-30ºC.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
pH 10% 7.5 - 8.5
Viscosity at 23°C (D = approx. 40 s^-1) mPa∙s 100 - 1,000
Non-volatile content (1g/1h/125°C) % 35 - 39


Property Name Test Method Unit Value
Acid number mg KOH/g approx. 11
OH content (solid resin) % approx. 4.0
Density at 20°C g/ml approx. 1.06


Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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