Desmodur® Z 4580 BA

Low-viscosity, aliphatic polyisocyanate resin based on isophorone diisocyanate.

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Product Types

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General Characterization

Low-viscosity, aliphatic polyisocyanate resin based on isophorone diisocyanate.
As the hardener component for 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.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
NCO content M105-ISO 11909 % 12.0 ± 0.5
Monomeric IPDI M106-ISO 10283 % < 0.4
Hazen color value M017-EN 1557 ≤ 60
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 2,800 ± 500
Non-volatile content (0.2 g/60 min/120 °C) M020-ISO 3251 % 80.0 ± 2.0


Property Name Test Method Unit Value
Density at 20 °C DIN 51757 g/cm3 1,064
Flash point DIN EN 13736 °C approx. 38.5
Equivalent weight approx. 350


Technical Data Sheet
Safety Data Sheet
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