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  • Coatings

Bayhydrol® UH 340/1

Aliphatic anionic polyurethane dispersion. As a binder in the formulation of highly flexible water-thinnable coatings for wood, metal, plastics and mineral substrates. Also as a combination binder to improve the elasticity and flexibility of water-thinnable coatings.

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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 polyurethane dispersion.
As a binder in the formulation of highly flexible water-thinnable coatings for wood, metal, plastics and mineral substrates. Also as a combination binder to improve the elasticity and flexibility of water-thinnable coatings.

Storage Conditions

- Storage in original sealed Covestro containers.

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Recommended storage temperature: 5 - 30 °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
Non-volatile content (1 g/1 h 125 °C) DIN EN ISO 3251 % 39 - 41
Mean particle size photon correlation spectroscopy nm 120 - 220
pH DIN ISO 976 6 - 7
Efflux time at 23 °C, 4 mm cup AFAM 2008/10503 s max. 70

Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811-2 g/ml approx. 1.1
Minimum film forming temperature(MFT) DIN ISO 2115 °C < 2
Appearance visual milky, cloudy
Acid value DIN EN ISO 2114 mg KOH/g approx. 1.5

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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