#Research & Development

Cleanzone Award 2024 goes to DITF and DASTEX

The Cleanzone, the trade fair for cleanroom and purity technology, hygiene and contamination control, took place in Frankfurt am Main on September 25 and 26, 2024. The Cleanzone Award is presented at the trade fair to recognize groundbreaking advances in innovation, automation, sustainability and efficiency in the field of cleanroom technology. This year, the award went to the German Institutes of Textile and Fiber Research Denkendorf (DITF) and the Dastex Group GmbH for the development of a test method for cleanroom garments - the ReBa2.
The Award-Winners (from left): Carsten Moschner (CMC3), Evi Held-Föhn (DITF), Gabriele Schmeer-Lioe (DITF), Alina Kopp (Dastex). Photo: Messe Frankfurt Exhibition GmbH / Jochen Günther © 2024
The Award-Winners (from left): Carsten Moschner (CMC3), Evi Held-Föhn (DITF), Gabriele Schmeer-Lioe (DITF), Alina Kopp (Dastex). Photo: Messe Frankfurt Exhibition GmbH / Jochen Günther © 2024


With the Realistic Bacterial Barrier (ReBa2) test method, the DITF offer a new biological method for determining the bacterial penetration for cleanroom garment textiles. Particularly in the manufacturing of sterile pharmaceuticals, bacteria, skin flakes and fiber particles that can originate from persons and their clothing pose a risk to the products manufactured in the cleanroom. Special cleanroom garments have the task of minimizing this risk. To assess the barrier function, the “bacterial penetration” is determined, among other properties. This provides information on how many bacteria from the human skin flora pass through the cleanroom garments to the outside when worn.

The ReBa2 test method largely reproduces the situation when wearing cleanroom garments and thus enables a meaningful determination of the bacterial penetration. It is also possible to consider numerous test scenarios. In addition to the influence of intermediate garments worn under the cleanroom garments, the sweating process or the pre-wetting of the cleanroom garments by liquid splashes in the manufacturing process or by disinfectants can also be tested. The method was developed at the DITF in collaboration with the Dastex Group GmbH.



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