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

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


Technical Data Sheet
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