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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

Characteristics

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

Specifications

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

Downloads

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

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