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  • Adhesives
  • Coatings

Desmodur® eco N 7300

Biobased aliphatic polyisocyanate (PDI-trimer). As the hardener component for lightfast polyurethane coating systems.

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About

Product Types

  • PIC
  • PDI
  • Crosslinkers
  • Hardeners
  • Aliphatic polyisocyanate
  • Isocyanate
  • Polyisocyanurate
  • Reactive system
  • Polyisocyanate

Material

Coatings
Hard, Solventborne, Solvent-free, Weather resistant, Biobased
Adhesives
Moisture resistant, Solvent-free

General Characterization

Biobased aliphatic polyisocyanate (PDI-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
NCO content M105-ISO 11909 % approx. 21.9
Monomeric PDI M106-ISO 10283 % ≤ 0.3
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s approx. 9,500
Color value (Hazen) M017-EN 1557 < 60

Property Name Test Method Unit Value
Biobased Carbon ASTM D 6866-16Method B (AMS) % approx. 68
Equivalent weight approx. 195
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 8,200
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.20

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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