Desmodur® N 100A

Aliphatic polyisocyanate (HDI biuret). As the hardener component for lightfast polyurethane coating systems.

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General Characterization

Desmodur N 100A is an aliphatic crosslinker (HDI biuret).
It is suitable as the hardener component for lightfast polyurethane coating systems.

Storage Conditions

Desmodur N 100A 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. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 5º-25ºC.


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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 25°C mPa∙s 7,500 ± 2,500
Monomeric HDI % ≤ 0.7
NCO content % 22.0 ± 0.2
Hazen color value ≤ 80

Property Name Test Method Unit Value
Density at 20°C g/ml approx. 1.14
Viscosity at 23°C mPa∙s approx. 10,000
Flash point °C approx. 181
Equivalent weight approx. 191


Technical Data Sheet
Safety Data Sheet
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