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  • Coatings, paints & inks

Desmodur® N 3800

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

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About

Product Types

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

Material

Coatings, paints & inks
Solventborne, Flexible, Elastic, Weather resistant, High functional

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 M014-ISO 3219/A.3 mPa*s 6,000 ± 1,200
NCO content M105-ISO 11909 % 11.0 ± 0.5
Color value (Hazen) M017-EN 1557 ≤ 80
Monomeric HDI M106-ISO 10283 % ≤ 0.25

Specifications

Property Name Test Method Unit Value
Flash point DIN 22 719 °C approx. 235
Equivalent weight approx. 382
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s approx. 5,500
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.12

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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