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  • Adhesives
  • Coatings

Desmodur® ultra N 3300

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
  • Reactive system
  • Polyisocyanate

Material

Coatings
Ultra-low monomer, Solvent-free, Weather resistant, Thermally resistant
Adhesives
Ultra-low monomer, Moisture resistant, Heat activated

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. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product.

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 3,000 ± 750
Monomeric HDI M106-ISO 10283 % < 0.10
Color value (Hazen) M017-EN 1557 ≤ 40
NCO content M105-ISO 11909 % 21.8 ± 0.3

Property Name Test Method Unit Value
Flash point DIN EN 22719 °C approx. 228
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 2,500
Density at 20 °C DIN 53217 g/ml approx. 1.17
Equivalent weight approx. 193

Downloads

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