The paper describes how the maximum surface voltages on cleanroom garments in practical use can be predicted from measurements on local areas of garment fabric.

The surface voltage arising when materials are rubbed depends upon the speed and pressure of the rubbing action and on two features of fabric performance: the time for charge dissipation and the capacitance experienced by surface charge. These two features can be easily measured on sample areas of garment fabrics using corona charging with measurement of the quantity of the transferred charge. The paper describes how these measurements are made and the results of studies carried out to establish the relationship between the performance of inhabited garments and measurements on fabrics.

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