China Standard requirements for unit consumption of polyester yarn processing
The unit consumption standard for polyester yarn processing stipulates the unit consumption standard for processing trade that uses pure polyester staple fiber (commodity number 55032000) as the raw material to produce pure polyester yarn (commodity numbers 55092100, 55098200.10, 55098200.90). The management department conducts processing trade unit consumption approval, filing and write-off management for processing trade enterprises that process pure polyester yarns with pure polyester staple fibers. This standard adopts the following definitions: net consumption refers to the kilograms of pure polyester staple fiber per kilogram of pure polyester yarn products during processing and production; process loss rate (%) refers to the polyester yarn during the production process The process loss is a percentage of the total input of imported pure polyester staple fiber. The pure polyester staple fibers in this standard should meet the national standards and industry standards or the contract's identification of raw materials. The specifications of pure polyester staple fibers referred to in this standard are generally: A, 1.56dtex × 38mm (1.4D × 38mm) B, 1.33dtex × 38mm (1.2D × 38mm), the national standard for pure polyester staple fiber: "National Standard for Polyester Staple Fiber of the People's Republic of China" GB / T14464-93. The specifications of pure polyester yarns referred to in this standard are: single yarn 73.8-7.4tex (8-80 inches), multi-strand yarn 73.8 × 2-7.4 × 2tex (8 / 2-80 / 2 inches) , 73.8 × 3-7.4 × 3tex (8 / 3-80 / 3 British branch), polyester yarn textile industry standard: "People's Republic of China Textile Industry Standard Polyester Natural Color Sewing Yarn" FZ63001-92.
