Desmodur® XT 190

Aliphatic-aromatic polyisocyanate As the hardener component for lightfast polyurethane wood coating systems

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Product Types

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General Characterization

Aliphatic-aromatic polyisocyanate.
As the hardener component for lightfast polyurethane wood 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.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
Flash point DIN 53 213/1 °C approx. 51
Density at 20 °C DIN EN ISO 2811 g/cm3 approx. 1.14


Property Name Test Method Unit Value
Non-volatile content DIN EN ISO 3251 % 90 ± 2
Monomeric HDI DIN EN ISO 10 283 % < 0.15
Viscosity at 23 °C DIN EN ISO 3219/A.3 mPa*s 1000 ± 400
NCO content DIN EN ISO 11 909 % 19.0 ± 0.5
Color value (Hazen) DIN EN 1557 ≤ 50
TDI monomere content DIN EN ISO 10 283 % < 0.1


Technical Data Sheet
Safety Data Sheet
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