- Coatings, paints & inks
Bayhydrol® A 2845
OH-functional PAC combinable with aliphatic PIC for 2K-PU clear/topcoats for automotive OEM coatings and plastics. 1K coatings by using melamine resins also possible.
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About
Product Types
- Dispersion
- Acrylate dispersion
Material
- Coatings, paints & inks
- Flexible, Thermally resistant, Elastic, Hard, Waterborne
General Characterization
Water-reducible, hydroxyfunctional polyacrylate dispersion.
In combination with aliphatic polyisocyanates for the formulation of waterborne two-component clearcoats and topcoats for automotive OEM coatings and coatings for plastics.
Can also be used in combination with suitable melamine resins for the formulation of one-component coatings.
In combination with aliphatic polyisocyanates for the formulation of waterborne two-component clearcoats and topcoats for automotive OEM coatings and coatings for plastics.
Can also be used in combination with suitable melamine resins for the formulation of one-component coatings.
Storage Conditions
- Storage in original sealed Covestro container.
- Recommended storage temperature: > 0 ≤ 23 °C.
- Protect fromfrost , 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.
The viscosity of the product is largely governed by the pH. As the pH may decrease during storage, a decrease in viscosity is also to be expected. The viscosity can be adjusted to its original value by the addition of small amounts of an aqueous 10 % solution of dimethylethanolamine.
Contamination with certain bacteria, fungi or algae may render the product unusable.
- Recommended storage temperature: > 0 ≤ 23 °C.
- Protect from
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.
The viscosity of the product is largely governed by the pH. As the pH may decrease during storage, a decrease in viscosity is also to be expected. The viscosity can be adjusted to its original value by the addition of small amounts of an aqueous 10 % solution of dimethylethanolamine.
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 |
|---|---|---|---|
| ^1 not originating from primary fossil sources | |||
| OH % on solid | calculated | % | approx. 4.5 |
| Density at 20 °C | DIN EN ISO 2811 | g/ml | 1.05 |
| Alternative raw material share ^1 bio-based, calculation without water content | calculated | wt.-% | approx. 16 |
| Alternative carbon share ^1 bio-based, calculation without water content | calculated | % | approx. 18 |
| Acid value (on solid resin) | DIN EN ISO 2114 | mg KOH/g | approx. 26 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Non-volatile content (1g/1h/125 °C/convection oven) | DIN EN ISO 3251 | % | 38 - 41 |
| pH-value | DIN ISO 976 | 8 - 9 | |
| Viscosity at 23 °C, D = approx. 40 s^-1 | DIN EN ISO 3219/A.3 | mPa*s | ≤ 3,000 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
