Optimum twist
The optimum twist is a term used in spun yarns, to describe a number of twists that gives the maximum breaking strength or the maximum bulk at strength levels acceptable for weaving or knitting. The twist is necessary to give a yarn coherence and strength. The figure above illustrated this. See S-twist and Z-twist
Sources
- Handbook of textile and industrial dyeing volume 1: Principles, processes and types of dyes Edited by M. Clark. Published Woodhead Publishing Limited 2011