Stainless Steel Closed-End Zipper for Socks — Specification, Uses and Sourcing Notes
Stainless Steel Closed-End Zipper for Socks: Specification, Uses and Sourcing Notes
Stainless Steel Closed-End Zipper 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
Stainless Steel gives closed-end zipper its durability under wash and abrasion. 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 | Closed-End Zipper |
|---|---|
| Base material | Stainless Steel |
| Standard size | 20 mm Width |
| Common finishes | Antique Copper Finish, Gunmetal Finish, Laser Engraved Finish |
| Processes | Calendering, Embossing, Singeing |
| Typical application | Socks |
| Related applications | Blazers, Caps, Home Curtains, Yoga Wear |
| Test standard | AATCC Test Methods |
| Usual packing | 200 pieces per polybag, 10000 per carton |
Properties that matter in buying
- Dimensional stability — 3% allowance is built into the spec before cutting.
- Colour fastness — tested to AATCC Test Methods on the actual base material, not on a substitute.
- Mechanical performance — abrasion resistance after 30 cycles or washes.
- Compliance — AATCC Test Methods documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Swimwear
- Jackets
- Yoga Wear
- Sportswear
- Bags
- Socks
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 satin fabric, applique patch, recycled cotton fabric, merino wool fabric, and the processes most often paired with closed-end zipper include enamel filling, moisture wicking finishing, 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.
