• Coatings

Bayhydrol® U 2757

Aliphatic, hydroxyfunctional polycarbonate ester-polyurethane dispersion, cosolvent-free.

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Product Types

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


Elastic, Easy mixing, Low viscous, Solvent-free, Waterborne, Flexible

General Characterization

Aliphatic, hydroxyfunctional polycarbonate ester-polyurethane dispersion.
Binder for water-reducible 2K-PUR coatings, especially soft-touch and comfort coatings.

Storage Conditions

- Storage in original sealed Covestro container.

Recommended storage temperature: 5 - 30 °C.

Protect from frost , heat and foreign material.

General information: The product should be protected against frost.


No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Non-volatile content (1 g / 1 h / 125 °C) DIN EN ISO 3251 % 50.0 - 54.0
Viscosity at 23 °C,(D = approx. 40 s^-1) DIN EN ISO 3219/A.3 mPa*s 300 - 1.500
pH-value 1 : 4 in dem. water DIN ISO 976 7.2 - 8.2

Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.07
OH content (solid resin) % approx. 1.9
Minimum film forming temperature (MFT) DIN ISO 2115 °C < 0
Acid number DIN EN ISO 2114 mg KOH/g approx. 9


Technical Data Sheet
Safety Data Sheet
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