Desmodur® N 3390A BA/SN
Aliphatic polyisocyanate (HDI trimer). As the hardener component for lightfast polyurethane coating systems.
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About
Product Types
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Material
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General Characterization
Desmodur N 3390A BA/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 N 3390A BA/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
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Packaging Type
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Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Equivalent weight | approx. 214 | ||
| Density at 20°C | g/ml | approx. 1.13 | |
| Viscosity at 23°C | mPa∙s | approx. 550 | |
| Flash point | °C | approx. 47 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| NCO content | % | 19.6 ± 0.3 | |
| Viscosity at 25°C | mPa∙s | 500 ± 150 | |
| Hazen color value | ≤ 40 | ||
| Monomeric HDI | % | ≤ 0.15 | |
| Non-volatile content | % | 90 ± 1 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
