Evaluation of Water Absorption and Transport Properties of Weft Knitted Polyester Fabrics by Spontaneous Uptake Water Transport Tester and Conventional Test Methods

Water absorption and transport properties of fabrics, including initial contact of liquid with a dry fabric, liquid wicking through a fully saturated medium and removal of liquid from a fabric is important during processing and in use. In this study, the water transport properties of four weft knitted polyester fabrics were comprehensively evaluated and it aims to select the best fabric for badminton sportswear. A recently developed instrument called Spontaneous Uptake Water Transport Tester (SUWTT) and Moisture Management Tester (MMT) was employed to characterize the direction of water transport within a fabric. Other conventional test methods including vertical wicking test, wettability test, water absorbency test, drying test, and water vapor permeability test were also performed. The results showed that the elastic yarn could diminish the water transport performance, dry rate, and water vapor permeability. Sample no. 2 and 3 were recommended for sportswear due to better liquid water transport, dry rate and water vapor permeability.