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Desmodur® ultra N 31100

Aliphatic polyisocyanate based on hexamethylene diisocyanate. As the hardener component for lightfast, weather-stable coating systems.

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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.

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
Density at 20°C g/cm^3 1.106
Equivalent weight approx. 215
Solids wt.-% approx. 99.8
Viscosity at 23^oC mPa∙s approx. 500
Weight per gallon lb. 9.3
Flash point °C 193

Specifications

Property Name Test Method Unit Value
Viscosity at 25°C mPa∙s 450 ± 150
Hazen color value ≤ 80
Monomeric HDI % < 0.10
NCO content % 19.5 ± 0.5

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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