Specialized textile fabrics have been used in cleanroom garments for many years. The need for this type of fabric has increased mainly due to the increasing need to protect critical operations in cleanrooms as well as to create a good enough comfort for operators and other personnel. Despite the continuous development of textile fabrics as well as cleanroom garments several and more so, highly critical questions still needs to be answered: 1. On what ground do manufacturer of textile fabrics and (or) cleanroom garments state that their products are suitable for use in a certain cleanroom class? 2. How can these fabrics and garments be controlled in order to fulfil the demands stated by end-users as well as regulatory authorities? 3. How can the life-time of these products be examined and controlled, especially when the garments have to be sterilized prior to use. This presentation covers the general background in regards to the filtration efficiency of cleanroom fabrics and garments. Furthermore, it introduces a new and improved method for testing fabrics as well as cleanroom garments; a method that is more practical and sensitive as compared to traditional methods used today and based on a more concise technical approach.
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