- Coatings, paints & inks
Desmophen® 670
Slightly branched, hydroxyl-bearing polyester.As a co-reactant, usually with Desmodur® N 75 and Desmodur® N 3390, in the formulation of flexible, weather-stable coatings.
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About
Product Types
- Polyester resin
Material
- Coatings, paints & inks
- Flexible, Elastic, Weather resistant, Solventborne
General Characterization
Slightly branched, hydroxyl-bearing polyester.
As a co-reactant, usually with Desmodur® N 75 and Desmodur® N 3390, in the formulation of flexible, weather-stable coatings.
As a co-reactant, usually with Desmodur® N 75 and Desmodur® N 3390, in the formulation of flexible, weather-stable coatings.
Storage Conditions
- Storage in original sealed Covestro container.
- Recommended storage temperature: max. 30 °C.
- Protect from moisture, heat and foreign material.
General information: Under certain conditions (temperatures below 15 °C, long storage) the product may become cloudy. It can be completely rehomogenized by heating to around 40 °C or adding solvent, and can be further processed without any loss of quality.
- Recommended storage temperature: max. 30 °C.
- Protect from moisture, heat and foreign material.
General information: Under certain conditions (temperatures below 15 °C, long storage) the product may become cloudy. It can be completely rehomogenized by heating to around 40 °C or adding solvent, and can be further processed without any loss of quality.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Equivalent weight | approx. 395 | ||
| Pour point | DIN ISO 3016 | °C | approx. + 8 |
| Density at 20 °C | DIN EN ISO 2811-1 | g/ml | approx. 1.17 |
| Flash point | DIN EN ISO 2719 | °C | approx. 195 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Hazen color value | DIN EN 1557 | ≤ 150 | |
| Acid value | DIN EN ISO 2114 | mg KOH/g | 2 ± 1 |
| Viscosity at 23 °C, 80 % in butyl acetate | DIN EN ISO 3219/A.3 | mPa*s | 2,200 ± 400 |
| Hydroxyl content | DIN EN ISO 4629-2 | % | 4.3 ± 0.4 |
| Water content | DIN 51 777/1 | % | ≤ 0.1 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
