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  • Coatings

Bayhydrol® UH 650

Solvent-free, aliphatic polyurethane resin dispersion. Binder for waterborne, air- and oven-drying base coats systems for the coating of plastics and as a combination binder for soft-touch coatings.

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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 650 is a solvent-free, aliphatic polyurethane resin dispersion in water.
It is suitable as a binder for waterborne, air- and oven-drying base coats in two-coat systems for the coating of plastics and as a combination binder for soft-touch coatings.

Storage Conditions

Bayhydrol UH 650 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. Because slight sedimentation may occur during storage, homogonize thoroughly (e.g. by stirring) prior to removing product. If the containers are not kept well closed, a non-redispersible film is formed as a result of the evaporation of water. 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-30ºC.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
pH 6 - 8
Non-volatile content (1g/1h/125°C) % 48 - 52
Flow time at 23°C, 4 mm cup s 12 - 30

Property Name Test Method Unit Value
Density at 20oC g/ml approx. 1.1
Minimum film forming temperature (MFT) °C < 0

Downloads

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