• Coatings

Bayhydrol® A 2227/1

PES-PAC dispersion for formulating stoving industrial coatings with high whiteness retention on exposure to high temperatures. Also for 2K-PU primer/topcoats for plastics.

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Product Types

  • Dispersion
  • Acrylate dispersion


Elastic, Thermally resistant, Hard, Waterborne, Flexible

General Characterization

Polyester-polyacrylate dispersion.
In the formulation of stoving industrial coatings with high whiteness retention on exposure to high temperatures.
Also in the formulation of two-component polyurethane primers and top coats for plastics.

Storage Conditions

- Storage in original sealed Covestro containers.

Recommended storage temperature: > 0 - 23 °C.

Protect from frost, heat and foreign material.

General information: The product is sensitive to frost. Prolonged freezing can 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.


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/convection oven) DIN EN ISO 3251 % 41 - 43
Viscosity at 23 °C, (D = approx. 40 s^-1) DIN EN ISO 3219/A.3 mPa*s 700 - 2,500
Acid value DIN EN ISO 2114 mg KOH/g 7 - 10
pH (1 : 3 in demineralised water) DIN ISO 976 7.5 - 8.5

Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.06
Minimum film forming temperature (MFT) DIN ISO 2115 °C < 0
Mean particle size photon correlation spectroscopy nm < 150
Flash point DIN EN ISO 2719 °C > 98
Hydroxyl content, calculated % approx. 3.8


Technical Data Sheet
Safety Data Sheet
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