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Microscopic Characteristics of Common Fibers. Natural fiber, will vary under magnification Twist characteristic of cotton only. Cotton. Thin, delicate fiber Crossover indentations. Silk. Thickness varies depending on species of animal wool taken from Same microscopic structure as hair - PowerPoint PPT Presentation
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Microscopic Characteristics of Common Fibers
Cotton
»Natural fiber, will vary under magnification» Twist characteristic of cotton only
Silk
» Thin, delicate fiber» Crossover indentations
Wool
» Thickness varies depending on species of animal wool taken from» Same microscopic structure as hair˃medulla – channel running down center˃cuticle – outer layer˃cortex – inner layer
Nylon
» Synthetic fiber, little variation under magnification» Appearance will vary by manufacturer» Created to imitate silk macroscopically
Polyester
» Synthetic fiber, little variation under magnification» Appearance will vary by manufacturer» Created to imitate cotton
macroscopically
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