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Wetting out challenging substrates has become one of the most difficult aspects of ink and coating development. From low-density polyethylene to oriented polypropylene, metallic film, and even aluminum foil, packaging producers have continued to evolve their offerings, posing a significant challenge for formulators. Additionally, changes in regulations have put pressure on the industry to not only perform well on the printing press but also meet all regulatory requirements for consumer needs. Customers have also been facing challenges with ink wetting changing throughout the shelf life due to hydrolytic stability issues from the surfactant.

 

In this webinar, experts from Evonik will delve into the myths surrounding the connection between surface tension and substrate wetting, as well as the different functions of dynamic and static surface tension in both water-based and energy-curable solutions. While there is no universal solution, the wetting issue can be addressed with the broad portfolio offered by Evonik Corporation.