PU Leather Buttonhole Elastic for Socks — Specification, Uses and Sourcing Notes
PU Leather Buttonhole Elastic for Socks: Specification, Uses and Sourcing Notes
PU Leather Buttonhole Elastic is the version buyers specify for socks 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
PU Leather gives buttonhole elastic its weight-to-strength ratio. In practice that means the trim 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 | Buttonhole Elastic |
|---|---|
| Base material | PU Leather |
| Standard size | 20 mm Width |
| Common finishes | Powder Coating, Anodised Finish, Antique Copper Finish |
| Processes | Weaving, Sanforising, Laminating |
| Typical application | Socks |
| Related applications | Kidswear, Scarves, Jeans, Baby Clothing |
| Test standard | OEKO-TEX Standard 100 |
| Usual packing | 100 pieces per polybag, 2000 per carton |
Properties that matter in buying
- Dimensional stability — 3% allowance is built into the spec before cutting.
- Colour fastness — tested to OEKO-TEX Standard 100 on the actual base material, not on a substitute.
- Mechanical performance — abrasion resistance after 20 cycles or washes.
- Compliance — OEKO-TEX Standard 100 documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Upholstery
- Sneakers
- Evening Wear
- Scarves
- Bedding Sets
- Caps
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 linen fabric, microfiber fabric, snap hook, sewing thread, and the processes most often paired with buttonhole elastic include mercerising, die casting, laser cutting.
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.
