Retardant yarn

Retardant polyester yarn produced using the company's flame-retardant polyester staple fiber (high-strength low-stretch) as raw material, and spinning or twisting together again. Production varieties are 6S ~ 45S yarn and strands. Stable product quality, evenness (Uster), and high strength. Quality indicators parameters as follows: Item Superior grade First grade Remarks evenness of the CV value (%) ≤ 13 ~ 16 13 ~ 17 according to the specifications determined data strands of yarn breaking strength (cN / tex) ≥ 29 ~ 26 28 yarn breaking strength to 25 CV value (%) ≤ 10.0 12.0 twist uniformity CV value (%) ≤ 6.0 8.0 weight uniformity CV value (%) ≤ 2.0 2.5 Note: 1, flame retardant polyester yarn other physical indicators by FZ63001 -92 execution. 2, flame retardant component (P content) based on user demand.