• Coatings

Desmodur® N 3400

Aliphatic polyisocyanate (HDI uretdione).As the hardener component for lightfast polyurethane coating systems.

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Product Types

  • PIC
  • Crosslinkers
  • Hardeners
  • Aliphatic polyisocyanate
  • Isocyanate
  • Polyisocyanurate
  • Polyisocyanate


Easy mixing, Low viscous, Solvent-free, Weather resistant, Waterborne

General Characterization

No data available

Storage Conditions

No data available


No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23 °C DIN EN ISO 3219/A.3 mPa*s 175 ± 75
Color value (Hazen) DIN EN 1557 ≤ 80
NCO content DIN EN ISO 11 909 % 21.8 ± 0.7
Monomeric HDI DIN EN ISO 10 283 % ≤ 0.3

Property Name Test Method Unit Value
Flash point DIN 22 719 °C approx. 180
Equivalent weight approx. 193
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s approx. 140
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.14


Technical Data Sheet
Safety Data Sheet
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