Desmodur® ultra N 3368 BA/SN

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Product Types

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General Characterization

Desmodur ultra N 3368 BA/SN is an aliphatic polyisocyanate (HDI trimer).
It is suitable as the hardener component for lightfast polyurethane coating systems.

Storage Conditions

Desmodur ultra N 3368 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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Technical Properties & Datasheets

Property Name Test Method Unit Value
Hazen color value ≤ 40
Non-volatile content 2.2 g / 120 min / 100oC % 68 ± 1
NCO content % 14.8 ± 0.3
Viscosity at 23oC mPa∙s 45 ± 15
Monomeric HDI % < 0.10

Property Name Test Method Unit Value
Viscosity at 25oC mPa∙s approx. 40
Density at 20oC g/ml approx. 1.06
Equivalent weight approx. 284
Flash point °C approx. 37


Technical Data Sheet
Safety Data Sheet
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