... Pre-orientation and high, stable, good mechanical properties, high uniformity, good processing properties. 1. Use of POY: POY can be drawing, ... texturing, and deformation processes of air were made of stretch ... products, suitable for weaving, knitting industry. 2. Specification of polyester POY: 55DTEX/24F~144F, 95DTEX~130DTEX/36F~144F, ...