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Desmodur® CQ ultra N 7400

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

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Product Types

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Material

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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

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Packaging Type

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
^1 carbon not originating from primary fossil sources expressed as percentage of the total carbon
^2 elements not originating from primary fossil sources expressed as percentage of the total mass
Alternative carbon share ^1 bio-based, seggregated ASTM D 6866-16 Methode B (AMS) % approx. 28
Alternative raw material share ^2bio-based, seggregated calculated wt.-% approx. 25
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.17
Equivalent weight approx. 183

Specifications

Property Name Test Method Unit Value
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s approx. 1,900
Color value (Hazen) M017-EN 1557 < 60
NCO content M105-ISO 11909 % approx. 23.0
Monomeric PDI M106-ISO 10283 % < 0.1

Downloads

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

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