Crelan® EF 403

Covestro (formerly Bayer MaterialScience) 科思创

Crelan® EF 403 has a hazen color value of maximum 100, a glass transition tempurature of 40-55, and a non-blocked NCO-content of maximum 2.0. It is a cycloaliphatic polyuretdione without blocking agent that can be used as the hardener component in polyurethane powder coatings. Crelan® EF 403 was developed as a hardener for outdoor resistant polyurethane powder coatings. The films are characterized by their excellent impact resistance, good weather stability and good flow and gloss properties.

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