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  • Coatings, paints & inks

Desmodur® 2873

Silane-functional aliphatic polyisocyanate based on hexamethylene diisocyanate. As hardener component for lightfast, weather-stable coating systems.

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About

Product Types

  • Crosslinkers
  • Aliphatic polyisocyanate
  • Isocyanate
  • Polyisocyanate

Material

Coatings, paints & inks
Low viscous, Weather resistant

General Characterization

Silane-functional aliphatic polyisocyanate based on hexamethylene diisocyanate.
As hardener component for lightfast, weather-stable 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

Characteristics

Property Name Test Method Unit Value
Flash point DIN EN ISO 2719/A °C 185
Equivalent weight approx. 341
Density at 20 °C DIN EN ISO 2811 g/cm3 1.150

Specifications

Property Name Test Method Unit Value
Monomeric HDI DIN EN ISO 10283 % ≤ 0.25
Viscosity at 23 °C DIN EN ISO 3219/A.3 mPa*s approx. 450
Color value (Hazen) DIN EN 1557 ≤ 60
NCO content DIN EN ISO 11 909 % approx. 12.3

Downloads

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

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