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Desmodur® N 31000

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

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Material

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General Characterization

Desmodur N 31000 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 N 31000 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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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Flash point °C 183
Equivalent weight g approx. 183
Density at 20^oC g/cm^3 1.15
Viscosity at 25°C mPa∙s approx. 450

Specifications

Property Name Test Method Unit Value
Monomeric HDI % ≤ 0.26
Viscosity at 23^oC mPa∙s approx. 500
NCO content % approx. 23.0
Hazen color value < 80

Downloads

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

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