We wish you and your families a Merry Christmas and a healthy 2021.

Please note that our test laboratory will be closed from December 24th, 2020 to January 6th, 2021 and our secretariat will only be accessible to a limited extent during this time.

The picture shows an SEM image of steel particles magnified 500 times. The steel particles come from a grit used to finish technical surfaces. The particles appear again and again as unwanted residual dirt in the analysis of technical cleanliness.