Fabric Defects to Look Out Ⅰ

Fabric Defects to Look Out

Fabric inspection is a crucial step when manufacturing clothing, and an important factor for QC.

Below are 3 fabric defects details to look out during fabric inspection.



This fabric defect is defined by irregular lines that run from side to side.


Horizontal lines are generally caused by:

  • Faults in the bobbin (the barrel used to hold yarn in place)
  • Irregular thread tension

Causes and prevention of horizontal lines

Preventing the appearance of horizontal lines in fabric is quite straightforward. Regularly replace the bobbin and frequently check thread tension and positioning.


One of the more obvious visual defects that can be found on raw textiles, shade variation is defined by a difference in depth of shade and color from roll to roll or piece to piece. Shade variation in fabric is caused by

  • Mixing of fabrics used in production
  • Variations in the production process with regard to time and speed
  • Improper cutting, bundling and/or numbering
  • Unequal fabric stretching

Causes and prevention of shade variation

Using the same base material and set of parameters for each production lot can effectively prevent shade variation.

When visiting a factory that manufactures raw textiles, it’s critical to ensure workers are only combining garments of the same color and not taking shortcuts when cutting and bundling. Properly numbering textile types prevents mistakenly combining cuts that vary in shade.


Stains are fairly common among dyed textiles and are defined as spots or patches of differing color. Textiles are never truly safe from stains because they can occur anytime during or after production if they’re not kept in an area with adequate protection.