Polyester can be stable in length and width yet still have distorted courses or weft references. Bow and skew are common geometric defects that can affect garment alignment even when measurements look correct.
Bow vs Skew
Bow occurs when a course or weft line curves across fabric width. Skew occurs when the line runs diagonally instead of remaining perpendicular to the fabric edge.
Why It Matters
Excessive bow or skew can make side seams rotate, stripes misalign, hems look uneven and prints appear crooked. Heat-setting can lock this distortion into polyester.
How to Check
- Relax a representative section.
- Lay it flat without tension.
- Identify a clear course, weft or printed reference.
- Compare it with a straight perpendicular line.
- Measure deviation at the worst point.
- Repeat at several locations along the roll.
Production Controls
- Inspect bow/skew during incoming inspection.
- Use low-tension spreading.
- Set agreed tolerances before bulk cutting.
- Hold rolls that exceed tolerance.
- Review finishing and heat-setting when distortion repeats.
Final Thoughts
Bow and skew are best prevented before cutting. Once distorted panels are sewn into garments, the problem becomes much harder and more expensive to correct.
Need Help Planning Polyester Fabric for Bulk Garment Production?
Send Walrus – Yes India Can your garment type, GSM, DIA / width, colour, quantity and end use. We can help shortlist suitable polyester fabric options for bulk production.
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