Staple (Spun) Fibers
Staple fiber yarns are produced from natural or synthetic fibers by the spinning method. Although polyester is the first thing that comes to mind when it comes to staple fiber due to its usage rate, cotton, viscose, linen, etc. yarns can also be considered as staple fiber, depending on the fiber type.
Staple fiber polyester threads are one of the most widely used sewing threads. Its strength is higher than cotton yarns and it has a wide thickness scale and color variety.
In addition, they are the most preferred sewing threads, as they are economical in the market. It is used in ready-to-wear clothes, which are made of intensely knitted fabric.