- Coatings, paints & inks
Desmophen® 680 BA
Branched OH-bearing PES combinable with Desmodur® N for 2K PU with good gloss retention, lightfastness and chalking resistance. In combination with Desmodur® L and HL for fast-drying 2K PU.
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About
Product Types
- Polyester resin
Material
- Coatings, paints & inks
- Hard, Weather resistant, Solventborne
General Characterization
Branched hydroxyl-bearing polyester.
As a co-reactant for Desmodur® N/ultra N in the formulation of two-component polyurethane coatings with good gloss retention, lightfastness and chalking resistance.
Also in combination with Desmodur® L/ultra L and HL in the formulation of fast-drying two-component coatings.
As a co-reactant for Desmodur® N/ultra N in the formulation of two-component polyurethane coatings with good gloss retention, lightfastness and chalking resistance.
Also in combination with Desmodur® L/ultra L and HL in the formulation of fast-drying two-component coatings.
Storage Conditions
- Storage in original sealed Covestro container.
- Recommended storage temperature: max. 30 °C.
- Protect from moisture, heat and foreign material.
- Recommended storage temperature: max. 30 °C.
- Protect from moisture, heat and foreign material.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Equivalent weight | approx. 770 | ||
| Flash point | DIN EN ISO 2719 | °C | approx. 32 |
| Density at 20°C | DIN EN ISO 2811-2 | g/ml | approx. 1.08 |
| Alternative raw material share ^1 bio-based | calculated | wt.-% | approx. 15 |
| ^1 not originating from primary fossil sources | |||
| Alternative carbon share ^1 bio-based | calculated | % | approx. 18 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Acid value | DIN EN ISO 2114 | mg KOH/g | 16 ± 3 |
| Non-volatile content 2 g resin/2 ml toluene/ 1 h 125 °C, convection oven | DIN EN ISO 3251 | % | 70 ± 1 |
| Hydroxyl content | DIN EN ISO 4629-2 | % | 2.2 ± 0.5 |
| Water content | DIN 51 777/1 | % | ≤ 0.1 |
| Viscosity at 23°C | DIN EN ISO 3219/A.3 | mPa*s | 3,000 ± 500 |
| Hazen color value | DIN EN 1557 | ≤ 200 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
