Polyester staple fiber is often used in apparel and home textiles. Today, the production process of polyester staple fiber sewing thread is mainly introduced.

First, the clear flowers, rolling: Polyester staple fiber into the turntable, the original rules of the fiber disrupted, combined with each other to form a roll of fiber block;

Second, slivering and splicing, and the carding machine will continue combing and splicing into large strips of fiber.

Third, roving, spinning: From the roving, spinning machine will be adjusted into the required number of fibers, such as 50S, 40S, 20S, 30S and other single yarn;

Fourth, to fight stocks, squatting line: fight line machine will be twisted into a single yarn need shares, such as 50S/2, 40S/2, 20S/2, 30S/3, etc.

Fifth, into a twisted, loose tube: made of strands made of skein or cheese, ready for dyeing;

Sixth, dyeing, packaging: According to customer needs color dyeing, pipe shipment.

Polyester staple fiber sewing thread has many production processes and is somewhat complicated. However, the quality of the final product depends on whether each process is strictly followed.