Desmodur® ultra Z 4470 MPA/X

Aliphatic polyisocyanate (IPDI trimer).

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General Characterization

Aliphatic polyisocyanate (IPDI trimer).
As the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings.

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 % 11.9 ± 0.4
Color value (Hazen) M017-EN 1557 ≤ 60
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 1,500 ± 500
Non-volatile content (0.2 g/1 h/120 °C) M020-ISO 3251 % 70 ± 2
Monomeric IPDI M106-ISO 10283 % < 0.1


Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.08
Equivalent weight approx. 360
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 1,350
Flash point DIN 53 213/1 °C approx. 40


Technical Data Sheet
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