- Coatings, paints & inks
Desmodur® N 3400
Aliphatic polyisocyanate (HDI uretdione). As the hardener component for lightfast polyurethane coating systems.
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About
Product Types
- HDI
- PIC
- Aliphatic polyisocyanate
- Crosslinkers
- Polyisocyanate
- Hardeners
- Polyisocyanurate
- Isocyanate
Material
- Coatings, paints & inks
- Low viscous, Solvent-free, Easy mixing, Waterborne, Weather resistant
General Characterization
Desmodur N 3400 is an aliphatic polyisocyanate (HDI uretdione).
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 N 3400 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. Recommended storage temperature is 0º-30ºC.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Viscosity at 23°C | mPa∙s | approx. 175 | |
| Flash point | °C | approx. 180 | |
| Equivalent weight | approx. 193 | ||
| Weight per gallon at 25°C | lb. | 9.50 | |
| Specific gravity at 25°C | g/cm^3 | approx. 1.14 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| NCO content | % | 21.8 ± 0.7 | |
| Monomeric HDI | % | ≤ 0.30 | |
| Hazen color value | ≤ 80.0 | ||
| Viscosity at 25°C | mPa∙s | 152 ± 65 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
