Sewing Thread Constriction in Garments

By | July 17, 2016

Sewing Thread Constriction in Garments 

Noor Ahmed Raaz
B.Sc. in Textile Engineering (CU)
Specialized in Apparel Manufacturing
A.M.C.S Textile Ltd (AEPZ)


Thread Construction:

According to the end uses, the sewing threads are manufactured from staple fiber and continuous filament. The single threads are spun from the staple fiber with the S-twist and then more than one single thread is gathered together by Z-twist for using sewing threads. Z-twist sewing threads are commonly used, but sometimes S-twist sewing threads are used flat lock sewing machine. Sewing threads for continuous filament are produced by twisting one or more filament together.

According to the construction of yarn, sewing threads are following categories-

  1. Mono Filament
  2. Multi Filament
  3. Textured Thread
  4. Core Spun Thread

Mono Filament:

  • Made of one continuous filament.
  • No twist on thread.
  • Strength: High.
  • Due to more stiffness, seam locking power is less.
  • It has tendency of opening of sewing thread, causes discomforts.
  • It cut edge come in contact with skin, which causes skin diseases.
  • No problem of shade matching due to filament being transparent.
  • Used in the garments which are not body or skin contact, such as over coat, rain coat etc.
  • Restrict to normal garments.

Multi Filament:

  • Made from more than one filament by twisting together.
  • Used in single or plied or corded forms.
  • For flexible threads, filament yarns are twisted, set, dyed and lubricated.
  • Strength and durability: High.
  • Different types of threads have different properties.
  • Used in garments or leather goods.
  • Low cost.

    Different types of sewing thread

Textured Thread:

  • Made from textured yarn or texturing multi filament.
  • Crimp is made in filament by texturing (False twisting, air jet, edge crimping).
  • This type of thread fills soft, so it is used as a under thread and edge stitching.
  • Seam locking power: Good.
  • Normally it is used a looper thread.

Core Spun Thread:

  • Manufactured with the combination of continuous filament and staple fibers.
  • Single yarn made by continuous filament is used as center yarn and wound with cotton fibers around the center yarn.
  • Two or three single yarns are twisted together and sewing threads are made.
  • Generally, polyester filament is used as core and cotton fiber is used as staple.
  • Strength: same as synthetic thread.
  • Quality: as cotton fiber.
  • Shrinkage: Less.
  • No possibility of thread damage.
  • At present, core spun thread produced by polyester filament and polyester staple fiber.
  • Used in high quality garments.

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