A Repository of Textile Articles

Blended Fiber Analysis

Blended yarns usually offer the best of several worlds i,e the breathability of wool or cotton, the durability of acrylic or nylon. Blends take dye differently and offer different color effects as well.Fiber blending has for a long time been practiced in textile processing. By mixing fibers of different types to form textile yarns, many advantages are achieved, such as property compensation or reinforcement between fibers, cost reduction without significant sacrifice of yarn performance.

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Blended Fiber Analysis

Blended fibers/blends combine 2 or more fiber substances into a single fiber strand or yarn with modified or changed properties and appearance of the fiber, yarn or fabric. Each fiber has a separate set of physical and aesthetic characteristics inherent in its design. The blended fibers are made to create the kind of fiber required to meet the specific needs of the industry. Fiber blends have their own characteristics depending upon the type and the percentage of the specific fibers used. Each fiber in a blend adds not only favorable properties but also undesirable properties. Fiber blends, however, utilize the advantages of all fiber to counteract the disadvantages of every single fiber. Man-made fibers can be blended with one or more other fibers, either natural or man-made.

Mixed Fiber Yarn Analysis

Mixed fiber yarns are the combination of two or more strands of different fibers to form one yarn. Mixed fiber yarn may:

  • Be of any conventional or novelty construction
  • Contain two or more piles
  • Contain equal or unequal fiber percentages
  • Be of any twist tension desired

Classification of Mixed Fiber Yarns

Mixed fiber yarns are classified as spun blended yarns, blended ply yarns and mixture/combination yarns.

  1. Spun blend yarns: Fibers from two or more textile sources are spun into a yarn. Spun blends may be of equal or unequal fiber percentages.
  2. Blended ply yarns: Different fiber yarns are twisted together to form one yarn.
  3. Mixture/Combination Yarn: Yarn utilizing two or more different types of different fiber contents.

Methods for Blending Fibers

There are 3 different methods used for blending fibers:

  1. Opening method: Fibers are fed into the machine alternately from two or more bales.
  2. Roving method: Different fiber strands are combined and twisted together drawing the slivers to a size suitable for spinning.
  3. Spinning method: The combing of two strands twisted into a single yarn. Long finer fibers migrate towards the center while shorter fibers remain to the outside.

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