- Coatings, paints & inks
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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About
Product Types
- Dispersion
- Acrylate dispersion
Material
- Coatings, paints & inks
- Hard, Waterborne, Flexible, Elastic
General Characterization
Aqueous, fatty acid-modified, hydroxyfunctional polyester-polyacrylate copolymer.
In the formulation of two-component polyurethane top coats and primers for plastics.
In the formulation of two-component polyurethane top coats and primers for plastics.
Storage Conditions
- Storage in original sealed Covestro containers.
- Recommended storage temperature: > 0 ≤ 30 °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.
- Recommended storage temperature: > 0 ≤ 30 °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.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Flash point | DIN EN 22 719 | °C | > 100 |
| Density at 20 °C | DIN EN ISO 2811 | g/ml | approx. 1.06 |
| OH % on solid | calculated | % | approx. 3.8 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| pH-value | DIN ISO 976 | 6.8 - 7.9 | |
| 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 |
| Viscosity at 23 °C, (D = approx. 40 s^-1) | DIN EN ISO 3219/A.3 | mPa*s | 1,000 - 2,500 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
