Desmodur® ultra N 3300

Contact an Expert
Market Switch
Selection will influence the results you get.
Copied to clipboard


Product Types

No data available


No data available

General Characterization

Desmodur ultra N 3300 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 3300 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. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 0º-30ºC.


No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23°C mPa∙s 3,000 ± 750
NCO content % 21.8 ± 0.3
Monomeric HDI % < 0.10
Hazen color value ≤ 40

Property Name Test Method Unit Value
Density at 20°C g/ml approx. 1.17
Flash point °C approx. 228
Equivalent weight approx. 193
Viscosity at 25°C mPa∙s approx. 2,500


Technical Data Sheet
Safety Data Sheet
No direct download available, please visit

Related topics

Do you want to know more about Desmodur® ultra N 3300?
Get in touch with our experts!

Contact form image Zoe

How can we contact you?

* Mandatory Fields

1 product to compare