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Desmodur® ultra N 3390 BA

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

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About

Product Types

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

Material

Coatings
Thermally resistant, Low viscous, Solventborne, Weather resistant, Ultra-low monomer

General Characterization

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

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 0 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 500 ± 150
Monomeric HDI M106-ISO 10283 % < 0.10
Non-volatile content (2.2 g / 120 min / 100 °C) M020-ISO 3251 % 90 ± 1
NCO content M105-ISO 11909 % 19.6 ± 0.3
Color value (Hazen) M017-EN 1557 ≤ 40

Property Name Test Method Unit Value
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 450
Equivalent weight approx. 214
Flash point DIN 53213 °C approx. 50
Density at 20 °C DIN 53217 g/ml approx. 1.13

Downloads

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