• Adhesives

Desmodur® I

Monomeric cycloaliphatic diisocyanate.In the manufacture of polyisocyanates and polyurethanes.

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Product Types

  • Aliphatic polyisocyanate
  • Isocyanate



General Characterization

Monomeric cycloaliphatic diisocyanate.
In the manufacture of polyisocyanates and polyurethanes.

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.


No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
NCO content (calculated from GC) internal method % ≥ 37.5
Assay (GC) internal method % ≥ 99.5
Color value (Hazen) DIN EN 1557 ≤ 30
Hydrolyzable chlorides internal method mg/kg ≤ 160
Total chlorides internal method mg/kg ≤ 200

Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.06
Vapor pressure at 25 °C hPa approx. 1.2 x 10^-3
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s approx. 10
Flash point DIN EN 22 719 °C approx. 150


Technical Data Sheet
Safety Data Sheet
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