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Crelan^® crosslinkers are a range of high-performance polymeric isocyanate-based crosslinkers for polyurethane powder coatings. These products are designed to be used with Bayer's Rucote ® 100 series hydroxyl-functional powder polyesters. Polyurethane powder coatings exhibit excellent film characteristics, including outstanding UV and chemical resistance, weatherability and mechanical properties.

Click the literature icon link next to any Crelan grade in the listing below or click here to find a brochure for Bayer's powder coatings intermediates, including Crelan crosslinkers. Tables in the brochure let you compare Crelan products and their typical properties at a glance. (registration required)

5 Product Grade(s):


= data sheet(s) = other literature


	CRELAN EF 403
	Cycolaliphatic polyuretdione; used as the hardener component in weather-resistant polyurethane powder coatings; films characterized by excellent impact resistance, good weather stability, and good flow and gloss properties; NCO% 13.5; functionality 1.9; mimimum baking temp 180°C/356°F (15 minutes); Tg-value 52°C



	CRELAN NI 2
	Blocked cycloaliphatic polyisocyanate; used as the hardener component with polyester or acrylic resins to create highly durable polyurethane powder coatings; NCO% 14.0; functionality 2.2; mimimum baking temp 180°C/356°F (15 minutes); Tg-value 60°C



	CRELAN NW 5
	Blocked cycloaliphatic polyisocyanate; used as the hardener component with polyester or acrylic resins to create highly durable polyurethane powder coatings; NCO% 12.5; functionality 2.3; mimimum baking temp 170°C/338°F (15 minutes); Tg-value 55°C



	CRELAN VP LS 2256
	Blocked cycloaliphatic polyisocyanate used as a hardener component in the manufacture of powder coatings for electrostatic spray applications; higher crosslink density and outstanding chemical resistance; NCO% 14.6; functionality 2.5; mimimum baking temp 170°C/338°F (15 minutes); Tg-value 50°C



	CRELAN XP 2459
	(developmental product) cycloaliphatic polyuretdione is a blocking agent-free cycloaliphatic polyuretdione used as the hardener component in polyurethane powder coatings; excellent impact resistance, good weather stability, and good flow and gloss properties; NCO%18.8; functionality 2.0; mimimum baking temp 180°C/356°F (15 minutes); Tg-value60°C

		Data Sheets
		Product Literature
		Technical Papers