Fabric Faults Produced During Weaving, Knitting and Nonwoven Production

Last Updated on 30/06/2021

List of Defects in Weaving, Knitting and Nonwoven Fabric Production

Shareful Islam Palash
Lecturer, Institute of Textile Engineering & Information Technology
Email: palash313@gmail.com


What is Defects?
The defects are the undesired effects of a product from the point of view of the customer. If a customer likes a feature in a product, it is termed as a salient feature or effect and if a customer dislikes it, it becomes a defect. Hence, while identifying a defect we need to see it from the perspective of a customer. In this article I will give list of defects produce during fabric production in weaving, knitting and nonwoven process.

Fabric Faults / Defects in Weaving:

  1. Warp way defect.
  2. Weft way defect.
  3. Fabric faults common to both warp and weft.

1. Warp way defect of fabric:

  • Warp stitching.
  • Broken warp end.
  • Broken pick.
  • Long float.
  • Wrong warp.
  • Missing warp.
  • Double warp
  • Reed mark.
  • Knot in the warp.
  • Tight warp.
  • Slack warp.
  • Warp steak.
  • Selvedge effect;
  • Curly/wavy effect.
  • Corded selvedge.
  • Weft breaks or cuts at the selvedge.
  • Loops in the selvedge.
  • Temple marks.
Fabric fault
Fig: Fabric fault

2. Weft way defect of fabric:

  • Miss pick or broken pick.
  • Thick and thin place.
  • Broken pattern.
  • Shuttle mark.
  • Weft carls.
  • Tight picks.
  • Back lashing or lashing in.
  • Starting mark.
  • Cracks.
  • Tear drops.
  • Goat.
  • Black picks.
  • Finger mark.
  • Bow effect.
  • Knot in the weft.
  • Catch knot.

3. Fabric defects common to both warp and weft:

  • Cloudy or uneven cloth.
  • Oil or grease sport.
  • Holes in the cloth.
  • Wavy cloth.
  • Dirty cloth.
  • Rusty fabric.
  • Hairy or fussy fabric.
  • Rough surface cloth.
  • Dobby mistake.
  • Loose end.
  • Loose pick.
  • Let-off bar.

Fabric Faults / Defects in Knitting:

  • Broken ends or holes.
  • Drop stitches.
  • Ch fall out.
  • Snagging.
  • Tuck or double stitches.
  • Bunching up.
  • Vertical stripes.
  • Horizontal stripes.
  • Color fly.
  • Distorted stitches.

Fabric Faults / Defects in Nonwoven Fabric Production:

  • Weight variation.
  • Needle break.
  • Poor opening.
  • Needle punch not up to the level.
  • Weak adhesive.
  • Defective spraying.
  • Defective stitching.
  • Defective felting.
  • Defective bonding.

You may also like:

  1. Different Types of Fabric Faults and Their Causes and Remedies
  2. Greige Fabric Inspection | Greige Fabric Defects, Causes and Their Remedies
  3. List of Fabric Defects in Circular Knitting Machine
  4. List of Fabric Faults Created During Dyeing and Their Remedies
  5. Bowing and Skewing Defects of Fabric
  6. Major Defects in Fabric Find During Fabric Inspection
  7. Weaving Faults in Fabric | Causes and Remedies of Weaving Defects

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