F/R polyester yarn adopts our F/R polyester staple fiber (high intensity and low drawing) as the material and involves spinning and double-twisting. Products available include 6S~ 45S single and double yarn

F/R polyester yarn adopts our F/R polyester staple fiber (high intensity and low drawing) as the material and involves spinning and double-twisting. Products available include 6S~ 45S single and double yarn. Features are stable quality and even textile strands (Uster standard) and high intensity.
Quality standard parameters shown in following table:
Name A+ Level A Level Note
Evenness of strands CV (%) ? 13~16 13~17
Breaking strength of single yarn ? 29~26 28~25
Breaking strength of a single yarn CV % ? 10.0 12.0
Twist evenness CV (%) ? 6.0 8.0
Weight evenness CV (%) ? 2.0 2.5


Note:
1. F/R polyester thread is tested according to FZ63001-92.
2.>P content of the F/R polyester yarn can be adjusted by customer's requirements