Particles have a basic tendency to settle on flat surfaces, due to the varying adhesion factors throughout the cleanrooms and are strongly influenced by the airflow characteristics. The flooring is the final location where particles settle or remain as captured contamination.

For this reason, peel-off mats, permanent mats and special floor coverings are essential to control particle contamination in front of the cleanroom. For optimal effective control of contamination, the combination of permanent mats, special flooring and peel-off mats is highly recommended