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  • Coatings

Bayhydrol® UH 2557

Aliphatic, fatty acid-modified, anionic polyurethane dispersion.Binder for the formulation of water-reducible coatings and sealers for wood and wood materials.

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About

Product Types

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

Material

Coatings
Solvent-free, Waterborne, Flexible, Elastic, Biobased

General Characterization

Aliphatic, fatty acid-modified, anionic polyurethane dispersion.
Binder for the formulation of water-reducible coatings and sealers for wood and wood materials.

Storage Conditions

- Storage in original sealed Covestro containers.

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Recommended storage temperature: > 0 - 30 °C.

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Protect from frost, heat and foreign material.

General information: The product is sensitive to frost. 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.
Contamination with certain bacteria, fungi or algae may render the product unusable.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
pH (1 : 2.5 in demineralised water) DIN ISO 976 6.5 - 8.5
Non-volatile content (1 g/1 h/125 °C) DIN EN ISO 3251 % 34 - 36
Viscosity at 23 °C, D = approx. 100/s DIN EN ISO 3219/A.3 mPa*s max. 100

Property Name Test Method Unit Value
Renewable content (% solid) 1) calculated value % approx. 23
Mean particle size photon correlation spectroscopy nm approx. 60
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.04

Downloads

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