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 |
|---|---|---|---|
| Density at 20°C | g/ml | approx. 1.13 | |
| Equivalent weight | approx. 214 | ||
| Flash point | °C | approx. 47 | |
| Viscosity at 23°C | mPa∙s | approx. 550 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Hazen color value | ≤ 40 | ||
| Monomeric HDI | % | ≤ 0.15 | |
| NCO content | % | 19.6 ± 0.3 | |
| Non-volatile content | % | 90 ± 1 | |
| Viscosity at 25°C | mPa∙s | 500 ± 150 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
