Polyester Stretch Denim Fabric for Bras — Specification, Uses and Sourcing Notes
Polyester Stretch Denim Fabric for Bras: Specification, Uses and Sourcing Notes
Polyester Stretch Denim Fabric is the version buyers specify for bras when the base material is fixed by performance rather than by price. This entry sets out what the material actually changes, which specification to write into the tech pack, and where the cost sits — the three questions that decide whether the item passes bulk approval.
What it is
Polyester gives stretch denim fabric its weight-to-strength ratio. In practice that means the fabric behaves differently in cutting, in finishing and in wear: tighter tolerance is needed on the finished dimension. Buyers who specify the material up front avoid the most common failure — an item that looks right on the sample card and behaves differently in bulk.
Typical specification
| Item | Stretch Denim Fabric |
|---|---|
| Base material | Polyester |
| Standard size | 360 gsm |
| Common finishes | Silicone Wash Finish, Chrome Plating, Piece-Dyed Finish |
| Processes | Heat Setting, Metal Stamping, Weaving |
| Typical application | Bras |
| Related applications | Down Jackets, Underwear, Evening Wear, Coats |
| Test standard | CPSIA |
| Usual packing | 500 pieces per polybag, 10000 per carton |
Properties that matter in buying
- Dimensional stability — 2% allowance is built into the spec before cutting.
- Colour fastness — tested to CPSIA on the actual base material, not on a substitute.
- Mechanical performance — elastic recovery after 10 cycles or washes.
- Compliance — CPSIA documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Trousers
- Hats
- Sleepwear
- Shirts
- Home Curtains
- Sneakers
How to specify it
- Name the base material in the tech pack, not just the item.
- Fix the size and tolerance in writing before sampling starts.
- Approve a counter sample made from the actual bulk base material.
- Order the test report against the standard your market requires.
- Retain a golden sample at the factory and a second one with you.
Related reading
Related specifications on this site cover reflective webbing, eyelet, heat transfer vinyl, cam buckle, and the processes most often paired with stretch denim fabric include laser cutting, calendering, die casting.
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