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About

Product Types

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Material

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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.

Sampling

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Technical Properties & Datasheets

Characteristics

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

Specifications

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

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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