F/R polyester staple fiber is made of phosphorus F/R polyester chips through imported production lines and the key specification is 1.4dA?38mm F/R polyester staple fiber (high intensity and low drawing). Features are stable quality and easy for weaving.

Quality standard parameters shown in following table:
Name A+ Level A Level
Breaking strength cN/dtex a?�D 5.25 5.00
Breaking extension % 28A��4.0 28A��5.0
Linear density variation % 3.0 4.0
Length variation % 3.0 6.0
Tenacity at 10% fixed length a?�D 2.65 2.2
Long fiber content % a?? 0.5 1.0
Over-length fiber mg/100g 2.0 6.0
Defects mg/100g a?? 2.0 8.0
Curled Fiber /25mm 12~15 12~15
Curling Degree % 12~15 12~15
Specific resistance .cm a??


Oil content % a?? 0.2 0.3


Note:
1. F/R polyester staple fibers are tested according to GB/T14464-93.
2. P content of the F/R polyester staple fibers can be adjusted by customer's requirements.