Cotton (Seed Fiber) 2

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Last updated 12:07 AM on 9/18/26
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11 Terms

1
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Which part of cotton becomes fiber?

Is taken from the boll or seed of the plant (seed fiber)

2
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Is cotton fiber a staple fiber?

Is a short staple fiber ranging 0.5” - 2.5”

3
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What criteria are used to grade cotton fiber?

Color

  • - White is the highest grade


Cleanness

  • - Free of trash (leaves & stems)


Length

  • - A long staple fibers is high grade

  • - Longer fibers are silkier, stronger, more lustrous



4
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List some examples of extra-long cotton fibers

  • - Sea Land

  • - Pima

  • - Egyptian

  • - Upland

  • - Alcala


5
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What is the difference between organic cotton and transitional cotton?

  • Organic cotton

  • - Is grown using less water and without the use of toxic fertilizers and pesticides

  • - Is certified with GOTS (Global Organic Textile Standard) requiring that the field in which the cotton must be pesticide-free for three years (long term)


  • Transitional cotton

  • - Is produced without pesticides (currently shifting to organic practices)


6
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What is colorgrown cotton?

  • - Is grown in color (e.g., greens, browns, rusts, etc.)

  • - Does not fade, bleed, or crock (rubs-off)


7
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List advantages of cotton fiber

  • - Hydrophilic; absorbency

  • - Electrical conductivity

  • - Thermal conductivity

  • - Cohesiveness (relevant for yarn spinning)

  • - Soft hand

  • - No piling


8
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List disadvantages of cotton fiber

  • - Poor drape

  • - Poor loft

  • - Poor resilience

  • - Poor dimensional stability

  • - Damaged by mildew, silverfish

  • - Poor elasticity

  • - Poor luster

  • - Inflammability: burning cotton smells like burning paper


9
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Where are cotton fibers used?

  • - Apparel

  • - Fabric blends (e.g., polyester)

  • - Home furnishings

  • - Medical, surgical, sanitary

  • - Industrial


10
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Natural fibers

  • Cellulose Fibers 

  • - From plants (seeds, bast/stem)


  • Protein Fibers

  • - From animals, insect


11
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Man-Made fibers

  • Manufactured Fibers 

  • - From natural fibers that are altered with chemicals


  • Synthetic Fibers 

  • - From petroleum or chemicals


  • Mineral Fibers

  • - From minerals