UV Technologies

Sustainability meets increased efficiency

UV-cure coatings are the popular choice for industrial applications

Coatings systems based on UV-curing polyurethane dispersions (PUDs) are experiencing a rapid growth in popularity due to their fast processing, outstanding property profile and sustainability. Covestro offers a wide range of UV waterborne polyurethane raw materials for a broad scope of applications.

UV technologies

UV-cure coating systems is one of the fastest growing segments in the coatings industry, especially for industrial applications where fast processing of coated parts is essential for high productivity. In the curing process, UV light or electron beam energy induces a radical reaction and facilitates polymerization in a coating or adhesive, taking only fractions of a second. UV-cure coatings are the preferred solution for increasing efficiency when cost control and high quality are essential.


Bayer’s UV waterborne technology requires low-to-no solvents. These coatings emit fewer volatile organic compounds (VOC) and offer comparable properties to solventborne PU coatings. UV waterborne coatings can be applied with current application equipment typically used for conventional coatings. This has contributed to the systems’ strong growth in the marketplace.

As a supplier of Bayhydrol® UV dispersions for UV-curing systems, Covestro assists customers with formulation development and testing, which is performed in our application labs. Our  labs feature:

  • Regular UV-lines with 80W/sec to 240W/sec powered lamps
  • 3D UV-equipment
  • IR-UV combination curing line
  • UV-inert line with
  • 60W/cm to 180W/cm powered lamps
  • an additional 172nm Eximer lamp

We encourage you to discuss your UV-curable resin requirements with our experts.

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