Desmodur® ultra Z 4470 BA

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
NCO content M105-ISO 11909 % 11.9 ± 0.4
Non-volatile content (0.2 g/1 h/120 °C) M020-ISO 3251 % 70 ± 2
Color value (Hazen) M017-EN 1557 ≤ 60
Monomeric IPDI M106-ISO 10283 % < 0.1
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 600 ± 200

Property Name Test Method Unit Value
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 550
Flash point DIN 53 213/1 °C approx. 34
Equivalent weight approx. 360
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.06


Technical Data Sheet
Safety Data Sheet
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