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  • Coatings

Desmodur® ultra N 3372 SN

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

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
Color value (Hazen) M017-EN 1557 ≤ 40
Non-volatile content 2.2 g / 120 min / 100 °C M020-ISO 3251 % 72.5 ± 1.5
Monomeric HDI M106-ISO 10283 % < 0.10
NCO content M105-ISO 11909 % 15.8 ± 0.5
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 80 ± 20

Property Name Test Method Unit Value
Density at 20 °C DIN 51757 g/ml approx. 1.07
Flash point DIN EN ISO 2719 °C approx. 47
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 70
Equivalent weight approx. 266

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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