Acrylic Bra Underwire for Shirts — Specification, Uses and Sourcing Notes
Acrylic Bra Underwire for Shirts: Specification, Uses and Sourcing Notes
Acrylic Bra Underwire is the version buyers specify for shirts 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
Acrylic gives bra underwire its weight-to-strength ratio. In practice that means the trim behaves differently in cutting, in finishing and in wear: shrinkage allowance has to be built into the spec. 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 | Bra Underwire |
|---|---|
| Base material | Acrylic |
| Standard size | 25 mm Width |
| Common finishes | Black Nickel Finish, Antique Copper Finish, Powder Coating |
| Processes | PU Coating, Stone Washing, Anodising |
| Typical application | Shirts |
| Related applications | Footwear, Jeans, Workwear, Kidswear |
| Test standard | ISO 14001 |
| Usual packing | 500 pieces per polybag, 2000 per carton |
Properties that matter in buying
- Dimensional stability — 2% allowance is built into the spec before cutting.
- Colour fastness — tested to ISO 14001 on the actual base material, not on a substitute.
- Mechanical performance — abrasion resistance after 50 cycles or washes.
- Compliance — ISO 14001 documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Upholstery
- Home Curtains
- Evening Wear
- Sportswear
- Down Jackets
- Suits
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 jeans button, faux fur fabric, embroidery thread, seam tape, and the processes most often paired with bra underwire include embroidery, singeing, sublimation printing.
Send the reference sample or tech pack and we will come back with a costed specification, a sampling timetable and the compliance documents your market requires.
