Desmodur® ultra Z 4470 MPA/X

Aliphatic polyisocyanate (IPDI trimer).

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Product Types

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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
Color value (Hazen) M017-EN 1557 ≤ 60
Monomeric IPDI M106-ISO 10283 % < 0.1
Non-volatile content (0.2 g/1 h/120 °C) M020-ISO 3251 % 70 ± 2
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 1,500 ± 500
NCO content M105-ISO 11909 % 11.9 ± 0.4


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


Technical Data Sheet
Safety Data Sheet
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