Polyester cotton series yarn’s main feature is high breaking strength. It is 40% than the product of the same specification. The anti-wearing ability is great. It is commonly one times of the common product.. The shrinking rate is small and maybe 0.5% around. It is suitable for high-grade chemical fiber fabrics and sewing cotton wrinkle-free fabric, pin flat Ting; heat resistance, high-speed sewing machines can be used to adapt 3000-4000r/min, ironing temperature is about 160 oC; softness and flexibility, suitable for sewing high-end fiber fabric.