Polyester Polyester Spandex Fabric for Swimwear — Specification, Uses and Sourcing Notes
Polyester Polyester Spandex Fabric for Swimwear: Specification, Uses and Sourcing Notes
Polyester Polyester Spandex Fabric is the version buyers specify for swimwear 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 polyester spandex fabric its strength and surface character. In practice that means the fabric behaves differently in cutting, in finishing and in wear: plating and coating adhesion must be tested on the actual base. 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 | Polyester Spandex Fabric |
|---|---|
| Base material | Polyester |
| Standard size | 240 gsm |
| Common finishes | Yarn-Dyed Finish, Pearlescent Coating, Black Nickel Finish |
| Processes | Mercerising, Electroplating, Singeing |
| Typical application | Swimwear |
| Related applications | Luggage, Footwear, Lingerie, Bedding Sets |
| Test standard | REACH SVHC Screening |
| Usual packing | 100 pieces per polybag, 10000 per carton |
Properties that matter in buying
- Dimensional stability — 1% allowance is built into the spec before cutting.
- Colour fastness — tested to REACH SVHC Screening on the actual base material, not on a substitute.
- Mechanical performance — abrasion resistance after 20 cycles or washes.
- Compliance — REACH SVHC Screening documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.

Common uses
- Down Jackets
- Outdoor Tents
- Sleepwear
- Jeans
- Coats
- Yoga Wear
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 heat transfer vinyl, size label, cupro fabric, polar fleece fabric, and the processes most often paired with polyester spandex fabric include calendering, laser cutting, brushing.
If you are comparing suppliers, send us the spec they quoted against. We will quote the same spec and show you where the difference sits.



