Desmodur® ultra 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 ultra 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 ultra 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 |
---|---|---|---|
Equivalent weight | approx. 215 | ||
Viscosity at 23^oC | mPa∙s | approx. 500 | |
Weight per gallon | lb. | 9.3 | |
Flash point | °C | 193 | |
Solids | wt.-% | approx. 99.8 | |
Density at 20°C | g/cm^3 | 1.106 |
Specifications
Property Name | Test Method | Unit | Value |
---|---|---|---|
Viscosity at 25°C | mPa∙s | 450 ± 150 | |
NCO content | % | 19.5 ± 0.5 | |
Hazen color value | ≤ 80 | ||
Monomeric HDI | % | < 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