Polyester staple fiber is a fiber made from polyester spun into strands and cut.
The main specifications of polyester staple fiber include semi-extinction white 1.56dtex*38mm, which accounts for 49% of the original staple fiber. Semi-luminous 1.33dtex *38mm; There is light 1.33dtex *38mm. Dtex is an international unit of fiber size that measures the number of grams of fiber in 10,000 meters. The larger the number of grams, the thicker the yarn or fiber. At the same time, D (Denier) is also a kind of chemical fiber fineness expression method, refers to the weight of 9000 meters of fiber grams, also known as denier. This is usually denoted by Denier, the larger the Denier, the thicker the fiber.
Polyester staple fiber has excellent wear resistance, ranking second among synthetic fibers, second only to nylon. And the product has low moisture recovery rate and excellent insulation performance.