Desmodur® N 31100
Aliphatic polyisocyanate based on hexamethylene diisocyanate. As the hardener component for lightfast, weather-stable coating systems.
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About
Product Types
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Material
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General Characterization
Desmodur N 31100 is an aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
It is suitable for use as the hardener component for lightfast, weather-stable coating systems.
It is suitable for use as the hardener component for lightfast, weather-stable coating systems.
Storage Conditions
Desmodur N 31100 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 5º-30ºC.
Sampling
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Packaging Type
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Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| NCO content | % | 19.5 ± 0.5 | |
| Hazen color value | ≤ 80 | ||
| Viscosity at 25°C | mPa∙s | 450 ± 150 | |
| Monomeric HDI | % | ≤ 0.14 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Viscosity at 23^oC | mPa∙s | approx. 500 | |
| Equivalent weight | approx. 215 | ||
| Solids | wt.-% | approx. 99.8 | |
| Density at 20°C | g/cm^3 | 1.106 | |
| Weight per gallon | lb. | 9.3 | |
| Flash point | °C | 193 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
