Desmodur® N 75 MPA/X

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

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Product Types

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General Characterization

Desmodur N 75 MPA/X is an aliphatic polyisocyanate (HDI biuret).

Storage Conditions

Desmodur N 75 MPA/X polyisocyanate should be stored in tightly sealed containers and protected from heat, moisture, and foreign materials. Recommended storage temperatures are between 5° and 25°C. The product is sensitive to moisture. Storage at higher temperatures will result in an increase of color and viscosity.


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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
Non-volatile content (2.2g/120 min/100°C) % 75 ± 1
NCO content % 16.5 ± 0.3
Viscosity at 25°C mPa∙s 150 ± 60
Hazen color value ≤ 60
Monomeric HDI % < 0.5

Property Name Test Method Unit Value
Viscosity at 23°C approx. 175
Flash point °C approx. 38
Density @ 20°C g/ml approx. 1.07
Equivalent weight approx. 255


Technical Data Sheet
Safety Data Sheet
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