- 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
- PIC
- HDI
- Isocyanate
- Polyisocyanurate
- Aliphatic polyisocyanate
- Crosslinkers
- Polyisocyanate
- Hardeners
Material
- Coatings, paints & inks
- Weather resistant, Solvent-free, Waterborne, Easy mixing, Low viscous
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 |
|---|---|---|---|
| Equivalent weight | approx. 193 | ||
| Flash point | °C | approx. 180 | |
| Weight per gallon at 25°C | lb. | 9.50 | |
| Viscosity at 23°C | mPa∙s | approx. 175 | |
| Specific gravity at 25°C | g/cm^3 | approx. 1.14 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Viscosity at 25°C | mPa∙s | 152 ± 65 | |
| Monomeric HDI | % | ≤ 0.30 | |
| Hazen color value | ≤ 80.0 | ||
| NCO content | % | 21.8 ± 0.7 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
