Characterization of Low Twist Yarn: Effect of Twist on Physical and Mechanical Properties

The amount of twist plays vital role for finished consumers\' good which determines appearance, durability and serviceability of fabric. In this research, yarns made of four twists (170, 190, 210 and 230 tpm (turns per meter) were investigated in order to determine the effect of twist on physical and mechanical properties of low twist yarn. The yarn properties: tenacity, breaking force, elongation, mass variation, hairiness in the yarn were studied. Three counts (30, 40 and 50 tex) were manufactured with various twist levels. It was observed that the strength of yarn was affected with an increase of the twist and count. The yarn manufactured with 230 tpm and 50 tex count shows better yarn strength as compared with other twist levels and yarn counts. Further, it was found that reduction in twist improves the evenness of yarn.