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Crelan® NW 5

Blocked cycloaliphatic polyisocyanate. Hardener for polyurethane powder coatings.

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Product Types

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Material

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General Characterization

Crelan NW 5 is a blocked cycloaliphatic polyisocyanate.
It is suitable as a hardener for polyurethane powder coatings.

Storage Conditions

Crelan NW 5 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 agglomeration of the product. This agglomeration is reversible by mechanical stress without adversely affecting the quality of the product. Recommended storage temperature is -5º-40ºC.

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Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23°C mPa∙s 100 - 250
Glass transition temperature °C 48 - 58
Hazen color value 55% in toluene < 100
Non-blocked NCO content % ≤ 1.5

Property Name Test Method Unit Value
Equivalent weight approx. 333
Total NCO content % approx. 12.7
Monomeric diisocyanate content % < 0.5

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