Cotton Testing in Spinning

Md Mahedi Hasan

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Cotton fiber quality is determined by various parameters such as:

  • Fiber Maturity Index
  •  Fineness
  • Micronaire (mic)
  •  Fiber Length
  •  Length uniformity
  •  Elongation
  • Strength
Cotton Testing in Spinning
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3 Types of Cotton fiber testing is widely used in the spinning industry. These are:

  1. High Volume Instrument (HVI)
  2.  Advanced Fibre Information System (AFIS)
  3.  Fibre Contamination Tester (FCT)
Type Length (mm) Mic. Strength (GPT) Trash (%)
S-6 27.5 – 29 3.5 – 4.9 28 – 29 2 – 3
MCU-5 30 – 32 3.5 – 4.9 29 – 32 2 – 3
DCH-32 34 – 36 2.8 – 3.8 33 – 36 3 – 4

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