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  • Coatings, paints & inks

Desmodur® N 3400

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

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About

Product Types

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

Material

Coatings, paints & inks
Weather resistant, Low viscous, Solvent-free, Easy mixing, Waterborne

General Characterization

No data available

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

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

Specifications

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

Downloads

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

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