Desmodur® ultra N 3372 SN
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About
Product Types
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Material
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General Characterization
Desmodur ultra N 3372 SN is an aliphatic polyisocyanate (HDI trimer).
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 ultra N 3372 SN 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 |
|---|---|---|---|
| Flash point | °C | approx. 47 | |
| Density at 20^oC | g/ml | approx. 1.07 | |
| Viscosity at 25^oC | mPa∙s | approx. 70 | |
| Equivalent weight | approx. 266 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Monomeric HDI | % | < 0.10 | |
| NCO content | % | 15.8 ± 0.5 | |
| Non-volatile content 2.2 g / 120 min / 100^oC | % | 72.5 ± 1.5 | |
| Viscosity at 23^oC | mPa∙s | 80 ± 20 | |
| Hazen color value | ≤ 40 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
