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  • Coatings

Bayhydrol® UH 240

Aliphatic anionic polyester polyurethane dispersion.As a combination binder in the formulation of highly flexible, air- and force-drying primers and one-coat finishes for use on plastics.

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About

Product Types

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

Material

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

General Characterization

Bayhydrol UH 240 is an aliphatic, anionic polyester-polyurethane dispersion.
It is suitable as a combination binder in the formulation of highly flexible, water-thinnable, air- and force-drying primers and one-coat finishes for use on plastics.

Storage Conditions

Bayhydrol UH 240 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. An increase in viscosity may occur during storage. If the containers are not sealed properly, the evaporation of water will result in the formation of a film which cannot be redispersed. The product is sensitive to freezing. Freezing will 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-40ºC.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
pH 6.0 - 8.0
Mean particle size nm ≤ 210
Non-volatile content (1g/1h/125°C) % 39 - 41
Efflux time at 23°C, 4 mm cup s ≤ 70

Property Name Test Method Unit Value
Acid value mg KOH/g approx. 0.5
Density at 20°C g/ml approx. 1.1
Minimum film forming temperature (MFT) °C < 0
Appearance Milky, cloudy

Downloads

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