- Coatings
Desmodur® XP 2838
Aliphatic polyisocyanate. As the hardener component for lightfast polyurethane coating systems.
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About
Product Types
- PIC
- Crosslinkers
- Hardeners
- Aliphatic polyisocyanate
- Isocyanate
- Polyisocyanurate
- Polyisocyanate
Material
- Coatings
- Fast curing, Solvent-free, Weather resistant
General Characterization
Desmodur XP 2838 is an aliphatic polyisocyanate.
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
Storage Conditions
Desmodur XP 2838 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 0º-30ºC.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Viscosity at 23^oC | mPa∙s | 3,000 ± 750 | |
| Hazen color value | ≤ 80 | ||
| Monomeric IPDI | % | < 0.15 | |
| NCO content | % | 21.0 ± 0.5 | |
| Monomeric HDI | % | < 0.2 |
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Density at 20^oC | g/ml | approx. 1.15 | |
| Equivalent weight | approx. 200 | ||
| Flash point | °C | approx. 181 | |
| Equivalent weight | approx. 200 | ||
| Viscosity at 25^oC | mPa∙s | approx. 2,700 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com