Desmodur® ultra N 3690
Aliphatic polyisocyanate (HDI trimer).
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About
Product Types
No data available
Material
No data available
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
Characteristics
Property Name | Test Method | Unit | Value |
---|---|---|---|
Flash point | DIN 53213 | °C | approx. 58 |
Density at 20 °C | DIN EN ISO 2811 | g/ml | approx. 1.13 |
Equivalent weight | approx. 203 | ||
Viscosity at 25 °C | M014-ISO 3219/A.3 | mPa*s | approx. 200 |
Specifications
Property Name | Test Method | Unit | Value |
---|---|---|---|
NCO content | M105-ISO 11909 | % | 20.7 ± 0.5 |
Non-volatile content 2.2 g / 120 min / 100 °C | M020-ISO 3251 | % | 90 ± 1 |
Viscosity at 23 °C | M014-ISO 3219/A.3 | mPa*s | 250 ± 150 |
Color value (Hazen) | M017-EN 1557 | ≤ 40 | |
Monomer content | M106-ISO 10283 | % | < 0.10 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com