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  • Coatings

Bayhydrol® UH 240

Aliphatic anionic polyester polyurethane dispersion. 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.

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About

Product Types

  • Dispersion
  • 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

Aliphatic anionic polyester polyurethane dispersion.
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

- Storage in original sealed Covestro containers.

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Recommended storage temperature: 5 - 40 °C.

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Protect from frost, heat and foreign material.

General information: 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 frost. 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. 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
Mean particle size photon correlation spectroscopy nm max. 210
Efflux time at 23 °C, 4 mm cup AFAM 2008/10503 s max. 70
Non-volatile content (1 g/1 h 125 °C) DIN EN ISO 3251 % 39 - 41
pH DIN ISO 976 6 - 8

Property Name Test Method Unit Value
Minimum film forming temperature (MFT) DIN ISO 2115 °C < 0
Density at 20 °C DIN EN ISO 2811-2 g/ml approx. 1.1
Acid value DIN EN ISO 2114 mg KOH/g approx. 0.5
Appearance milky, cloudy

Downloads

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