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Desmoderm® Additive Z

Desmoderm Additive Z is an aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). It is suitable for use as the hardener component for lightfast polyurethane solutions.

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General Characterization

Desmoderm Additive Z is an aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
It is suitable for use as the hardener component for lightfast polyurethane solutions.

Storage Conditions

Desmoderm Additive Z should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. 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. Recommended storage temperature is 5º-25ºC.

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Flash point °C approx. 38
Density at 20^oC g/cm^3 approx. 1.07
Equivalent weight approx. 225

Specifications

Property Name Test Method Unit Value
NCO content % 16.5 ± 0.3
Viscosity at 23^oC* mPa∙s 250 ± 75
Hazen color value < 40
Monomeric HDI < 0.5
Non-volatile content (2.2g / 120 mins / 100^oC) % 75 ± 1

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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