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  • Coatings

Bayhydrol® UH 2558

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

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About

Product Types

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

Material

Coatings
Solvent-free, Waterborne, Flexible, Elastic

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.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

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

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

Downloads

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