The difference between knitting yarn and weaving yarn: Theoretically, the yarn used for knitted fabrics (knitting yarn) is different from the yarn used for woven fabrics (woven yarn), so the concept of ‘the same yarn’ is incorrect. Knitting yarn is primarily used for undergarments worn close to the skin, so it must be fluffy, soft, smooth, and have minimal fuzz. Therefore, knitting yarn typically has a lower twist (the twist coefficient or twist of knitting yarn is lower than that of woven yarn), and velour yarn used in knitting is even lower in twist, being a weakly twisted yarn; Additionally, due to the dense, fine, and curved nature of the ‘needle paths’ in knitting machinery, knitted yarn must have uniform yarn evenness, minimal irregularities, low impurity content, consistent strength, and no knots (typically using air-twist joiners to avoid significant diameter differences at the joints); knitted yarn generally requires higher-quality cotton blending than woven yarn, so its price is higher than that of woven yarn.
The warp yarns of woven yarns are generally sized through a sizing process before weaving; the weft yarns of woven yarns, due to the high-speed weft insertion of the shuttle (or arrowhead of an arrowhead loom or the weft feeder of a jet loom/or projectile loom), require higher strength than knitted yarns. Therefore, the twist of woven yarn is generally greater than that of knitted yarn. In general, the twist of the warp yarn in woven yarn is greater than that of the weft yarn. " Theoretically, knitted yarn and woven yarn are distinguished. If asked whether knitted yarn can be used to weave woven fabric, my answer is that perhaps knitted yarn could be used on a shuttle loom to weave woven fabric as a makeshift solution, but the breakage rate of warp and weft yarns may be high, affecting the loom's operational efficiency (resulting in lower output), and the resulting ‘woven fabric’ may have slightly lower strength. Using high-priced yarns may actually make weaving more difficult, and the resulting fabric may not meet the strength standards required for ‘natural cotton fabric’; this approach is not recommended as it yields poor results despite the effort. If you wish to utilise the ‘end-of-batch yarn’ from knitted yarn, you may give it a try, as I am unsure of the quality of the knitted yarn you mentioned and whether it can be easily processed on a shuttle loom; it is not appropriate to make a generalised statement.
