• Coatings

Bayhydrol® A 2139/2

Aqueous, fatty acid-modified, hydroxyfunctional polyester-polyacrylate copolymer. In the formulation of two-component polyurethane top coats and primers for plastics.

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Product Types

  • Dispersion
  • Acrylate dispersion


Elastic, Hard, Waterborne, Flexible

General Characterization

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Storage Conditions

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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23 °C, (D = approx. 40 s-1) DIN EN ISO 3219/A.3 mPa*s 1,000 - 2,500
Non-volatile content (1 g/1 h/125 °C/convection oven) DIN EN ISO 3251 % 45 - 49
Acid value DIN ISO 2114 mg KOH/g 11.5 - 14.5
pH (1 : 4 in demineralised water) DIN ISO 976 6.8 - 7.9

Property Name Test Method Unit Value
Flash point DIN EN 22 719 °C > 100
Hydroxyl content solvent free, calculated % approx. 3.8
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.06


Technical Data Sheet
Safety Data Sheet
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