Stainless Steel Closed-End Zipper for Uniforms — Specification, Uses and Sourcing Notes
Stainless Steel Closed-End Zipper for Uniforms: Specification, Uses and Sourcing Notes
Stainless Steel Closed-End Zipper is the version buyers specify for uniforms 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 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 | Closed-End Zipper |
|---|---|
| Base material | Stainless Steel |
| Standard size | 32 mm Width |
| Common finishes | Enzyme Wash Finish, Pearlescent Coating, Matte Black Coating |
| Processes | Weft Knitting, Singeing, Stone Washing |
| Typical application | Uniforms |
| Related applications | Boots, Kidswear, Outdoor Tents, Jeans |
| Test standard | Bluesign |
| Usual packing | 200 pieces per polybag, 5000 per carton |
Properties that matter in buying
- Dimensional stability — 3% allowance is built into the spec before cutting.
- Colour fastness — tested to Bluesign on the actual base material, not on a substitute.
- Mechanical performance — pull strength after 30 cycles or washes.
- Compliance — Bluesign documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Down Jackets
- Gloves
- Luggage
- Workwear
- Yoga Wear
- Home Curtains
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 woven label, basting thread, chiffon fabric, shoulder patch, and the processes most often paired with closed-end zipper include rotary printing, digital printing, anodising.
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.
