• Coatings

Crelan® UI

Blocked cycloaliphatic polyisocyanate.Hardener for polyurethane powder coatings

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Product Types

  • Crosslinkers
  • Hardeners


Solvent-free, Weather resistant

General Characterization

Blocked cycloaliphatic polyisocyanate.
Hardener for polyurethane powder coatings

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: - 5 to 40 °C.

- Protect from moisture, heat and foreign material.

General information: 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.


No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Non-blocked NCO-content M105-ISO 11909 % max. 1.5
Color value (Hazen)50 % in butanone M017-EN 1557 max. 150
Glass transition temperature (2. heating) M113-ISO 11357 °C ≥ 60

Property Name Test Method Unit Value
Monomeric diisocyanate content % < 0.1
Total NCO content % approx. 11.5


Technical Data Sheet
Safety Data Sheet
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