The issue of "dry versus wet extraction" was addressed in the standards for the first time with the update of VDA 19.1 in 2015. Here, the new requirements for non-liquid-resistant components in air extraction were taken into account. In the meantime, today's requirements are entering a new dimension with e-mobility and require a renewed focus on dry extraction methods.
Here, our managing director, Mr. Volker Burger, gave an interesting and informative interview and informed about the motivations for the development and the necessity of both test methods.
Here you can find the entire interview in German...