| abstract |
[Problem] To provide a core spun yarn that is excellent in durability, chlorine resistance and light resistance, has firmness and firmness, can obtain a thin fabric, a dry feeling and a soft feeling stretch fabric. To do. A core-spun yarn comprising a core yarn and a sheath yarn, wherein one of the components of the core yarn is mainly composed of polyethylene terephthalate, and the other component is mainly composed of polytrimethylene terephthalate. A core spun yarn comprising a polyester sheath fiber of a core sheath / core type and a polyethylene terephthalate fiber as a sheath yarn. |