Crelan® NW 5
Blocked cycloaliphatic polyisocyanate. Hardener for polyurethane powder coatings.
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About
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.
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.
Sampling
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Packaging Type
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Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Total NCO content | % | approx. 12.7 | |
| Equivalent weight | approx. 333 | ||
| Monomeric diisocyanate content | % | < 0.5 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Viscosity (55% in Toluene) at 23°C | mPa∙s | 100 - 250 | |
| Hazen color value 55% in toluene | < 100 | ||
| Glass transition temperature | °C | 48 - 58 | |
| Non-blocked NCO content | % | ≤ 1.5 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
