Desmodur® ultra N 3368 SN
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About
Product Types
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Material
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General Characterization
Desmodur ultra N 3368 SN is an aliphatic polyisocyanate (HDI trimer).
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
Storage Conditions
Desmodur ultra N 3368 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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Packaging Type
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Technical Properties & Datasheets
Characteristics
Property Name | Test Method | Unit | Value |
---|---|---|---|
Equivalent weight | approx. 284 | ||
Viscosity at 25^oC | mPa∙s | approx. 50 | |
Flash point | °C | approx. 49 | |
Density at 20^oC | g/ml | approx. 1.06 |
Specifications
Property Name | Test Method | Unit | Value |
---|---|---|---|
Monomeric HDI | % | < 0.10 | |
NCO content | % | 14.8 ± 0.3 | |
Non-volatile content 2.2 g / 120 min / 100^oC | % | 68 ± 1 | |
Viscosity at 23^oC | mPa∙s | 55 ± 15 | |
Hazen color value | ≤ 40 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com