Polyester short-cut fiber

• Post Date:

  Oct 26,2025

• Expiry Date:

  Apr 24,2026

• Detailed Description:

  Cas No. :25038-59-9 Specs:0.67dtex-4/6mm，1.67dtex-6/12mm，3.33dtex-6mm，6.67dt
  

   

   Specification:

  Polyester Short-cut Fiber（used in road）
  Items	Premium-grade	1st-grade	Eligible-grade
  Tensile strength, Mpa ≥	580	540	500
  Melting point, ℃	250
  Breaking length, %	35.0±8.0	35.0±9.0	35.0±10.0
  Diameter, μm	17.0±5.0
  Appearance	White
  Number of crimps, No./25mm	None

   

  Polyester Short-cut Fiber（used in papermaking）
  Items	0.67dtex-4/6mm	1.67dtex-6/12mm	3.33dtex-6mm	6.67dtex-12mm
  Breaking tenacity, cN ≥	5	7	10	20
  Breaking elongation, %	16.0±8.0	23.0±8.0	35.0±8.0	36.0±8.0
  Diameter, μm	7.9～9.6	11.0～14.0	14.4～20.3	20.3～26.8
  Shrinkage in hot dry air130℃, % ≤	3
  Water content, %	8～12
  Appearance	White
  Number of crimps, No./25mm	None
  Dispersibility, No. ≤	25
  Paper defect, No./cm2 ≤	0.5

   

  Polyester Short-cut Fiber（used in rubber）
  Number	Items	Premium-grade	1st-grade	Eligible-grade
  1	Tensile strength, Mpa ≥	580	540	500
  2	Melting point, ℃	250
  3	Breaking length, %	23.0±8.0	23.0±9.0	23.0±10.0
  4	Diameter, μm	11.0±4.0
  5	Appearance	White
  6	Number of crimps, No./25mm	None
  7	Dispersibility, No. ≤	25	50	80

   

   

• CAS Registry Number:

  25038-59-9

• Synonyms:

  ;Polyethylene terephthalate;pegoterate;pet;Polyester short-cut fiber;

• Molecular Formula:

  C₉H₆O₄X₂

• Molecular Weight:

  25038-59-9

• Molecular Structure:

  

• Company:

  Shanghai Shangyi Chemical Technology Co., Ltd     [ China ]          

• Contact:

  Steven Wu

• Tel:

  +86-21-56207799

• Fax:

  +86-21-33686276

• Email:

  info@shangyichem.com