Desmodur® N 50 BA/MPA

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

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General Characterization

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

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 5 - 25 °C.

- Protect from moisture, heat and foreign material.

General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.01
Equivalent weight approx. 382
Flash point DIN 53 213/1 °C approx. 45


Property Name Test Method Unit Value
Non-volatile content (2.2 g/120 min/100 °C) M020-ISO 3251 % 50 ± 1
Monomeric HDI M106-ISO 10283 % < 0.25
Color value (Hazen) M017-EN 1557 ≤ 40
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 18 ± 10
NCO content M105-ISO 11909 % 11.0 ± 0.5


Technical Data Sheet
Safety Data Sheet
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