Desmodur® ultra N 3386 BA/SN

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Product Types

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General Characterization

Desmodur ultra N 3386 BA/SN is an aliphatic polyisocyanate (HDI trimer).
It is suitable for use as the hardener component for lightfast polyurethane coating systems.

Storage Conditions

Desmodur ultra N 3386 BA/SN 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 0º-30ºC.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
Density at 20^oC g/ml approx. 1.11
Viscosity at 25^oC mPa∙s approx. 290
Equivalent weight approx. 225
Flash point °C approx. 50


Property Name Test Method Unit Value
NCO content % 18.7 ± 0.3
Viscosity at 23^oC mPa∙s 320 ± 80
Hazen color value ≤ 40
Monomeric HDI % < 0.10
Non-volatile content 2.2 g / 120 min / 100^oC % 86 ± 1


Technical Data Sheet
Safety Data Sheet
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