Abstract
If a wool fabric is restrained during drying, as in tentering, there is a close relationship between the relaxation shrinkage that is induced and the hygral expansion. A high correlation also exists between the hygral expansion and extensibility of relaxed fabrics. For conventional woven fabrics, this relationship is independent of fabric structure and the finishing routine used. Separate relationships for warp and weft directions exist between extensibility (of relaxed fabric) and relaxation shrinkage in commercial fabrics. The difference in extensibility (at 500 gf/cm) for a relaxed fabric, and the corresponding unrelaxed fabric, is related to the relaxation shrinkage in the unrelaxed fabric.
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