- 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
Desmophen 680 BA is a branched hydroxyl-bearing polyester.
It is suitable as a co-reactant for Desmodur® N in the formulation of two-component polyurethane coatings with good gloss retention, lightfastness and chalking resistance.
it is also suitable for use in combination with Desmodur L/ultra L and HL in the formulation of fast-drying two-component coatings.
It is suitable as a co-reactant for Desmodur® N in the formulation of two-component polyurethane coatings with good gloss retention, lightfastness and chalking resistance.
it is also suitable for use in combination with Desmodur L/ultra L and HL in the formulation of fast-drying two-component coatings.
Storage Conditions
Desmophen 680 BA should be stored in tightly sealed containers and protected from moisture, heat and foreign materials. Recommended storage temperature is less than 30°C.
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 | °C | approx. 32 | |
| Density at 20°C | g/ml | approx. 1.08 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Acid value | mg KOH/g | 16 ± 3 | |
| Hydroxyl content | % | 2.2 ± 0.5 | |
| Non-volatile content (2g resin/2ml toluene/1h/125°C, convection oven) | % | 70 ± 1 | |
| Water content | % | ≤ 0.1 | |
| Viscosity at 23°C | mPa∙s | 3,000 ± 500 | |
| Hazen color value | ≤ 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
