• Coatings

Bayhydrol® A 242

OH-functional PAC combinable with Bayhydur® and Desmodur® N for 2K PU system for various applications by brush, roller or spray.

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Product Types

  • Dispersion
  • Acrylate dispersion


Elastic, Hard, Solvent-free, Waterborne, Flexible

General Characterization

Water-thinnable polyacrylic resin containing hydroxyl groups.
As a co-reactant for Bayhydur® and Desmodur® N/ultra N polyisocyanates in the formulation of aqueous two-component polyurethane systems for various applications by brush, roller or spray.

Storage Conditions

- Storage in original sealed Covestro container.

Recommended storage temperature: > 0 - 30 °C.

Protect from frost, heat and foreign material.

General information: 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.


No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23 °C, (D = approx. 165 s^-1) DIN EN ISO 3219/A.3 mPa*s 200 ± 100
Non-volatile content (1 g, 1 h, 125 °C) DIN EN ISO 3251 % 42 ± 2
pH (10 % in demineralized water) DIN ISO 976 7.1 ± 0.7

Property Name Test Method Unit Value
Density DIN EN ISO 2811 g/ml approx. 1.06
OH content, solid resin DIN 53 240 % approx. 4


Technical Data Sheet
Safety Data Sheet
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