Buyer guide
Polyester Filament vs Spun Dyed Yarn
A buyer guide to polyester filament and polyester spun dyed yarns for apparel, trims, narrow fabrics, and industrial textile uses.
Short Answer
Polyester filament and polyester spun dyed yarns serve different briefs. Fit depends on construction, denier or count, application, shade, quantity, and treatment.
Buyer Notes
Use this guide before a WhatsApp message or written requirement.
Start with Construction
Yarn construction usually narrows the product lane before shade development starts.
- Polyester filament references include air-textured, continuous HT, continuous twin HT, and textured/Roto lanes.
- Polyester spun references include Air-Jet, Ring Spun, and SHT-RT lanes.
- Roto references start at 300 Roto and are not focused on finer-thread enquiries below that.
Application Changes Fit
A trim, webbing, apparel, or technical textile requirement may point to different yarn families even when the shade target is similar.
- Share end use, denier or count, target quantity, and destination.
- Mention whether FR, UV, or a custom finish is being evaluated.
- Use WhatsApp first when unsure; use the secure form for a written requirement.
Turn this guide into a requirement.
Share yarn, shade reference, quantity, treatment need, application, and timeline.