- Coatings
Desmodur® ultra N 3390 BA
Aliphatic polyisocyanate (HDI trimer). 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
- Ultra-low monomer, Solventborne, Weather resistant, Thermally resistant, Low viscous
General Characterization
Aliphatic polyisocyanate (HDI trimer).
As the hardener component for lightfast polyurethane coating systems
As the hardener component for lightfast polyurethane coating systems
Storage Conditions
- Storage in original sealed Covestro container.
- Recommended storage temperature: 0 - 30 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity.
- Recommended storage temperature: 0 - 30 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| NCO content | M105-ISO 11909 | % | 19.6 ± 0.3 |
| Monomeric HDI | M106-ISO 10283 | % | < 0.10 |
| Color value (Hazen) | M017-EN 1557 | ≤ 40 | |
| Viscosity at 23 °C | M014-ISO 3219/A.3 | mPa*s | 500 ± 150 |
| Non-volatile content (2.2 g / 120 min / 100 °C) | M020-ISO 3251 | % | 90 ± 1 |
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Density at 20 °C | DIN 53217 | g/ml | approx. 1.13 |
| Equivalent weight | approx. 214 | ||
| Flash point | DIN 53213 | °C | approx. 50 |
| Viscosity at 25 °C | M014-ISO 3219/A.3 | mPa*s | approx. 450 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com