Abstract

A new wicking test was developed that provides intrinsic quantitative descriptors of fabrics that can be used to predict wicking behavior. These descriptors are permeability (k) and capillary pressure (P c) as functions of saturation (S). A single fabric strip is positioned to allow sequential upward, horizontal, and downward wicking of fluid from an infinite reservoir. The upward section governs saturation, the horizontal section is analyzed to determine capillary pressure, and the downward segment is analyzed to determine permeability. The test is described and its application demonstrated on a plain stitch knit fabric manufactured for performance athletic apparel. Results are provided in the form of characteristic k–S–P c relations for water.

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