Zinc Alloy Closed-End Zipper for Caps — Specification, Uses and Sourcing Notes
Zinc Alloy Closed-End Zipper for Caps: Specification, Uses and Sourcing Notes
Zinc Alloy Closed-End Zipper is the version buyers specify for caps 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
Zinc Alloy 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: tighter tolerance is needed on the finished dimension. 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 | Zinc Alloy |
| Standard size | 38 mm Width |
| Common finishes | Piece-Dyed Finish, Antique Brass Plating, Enzyme Wash Finish |
| Processes | Enamel Filling, Embossing, Enzyme Washing |
| Typical application | Caps |
| Related applications | Bedding Sets, Swimwear, Down Jackets, Footwear |
| Test standard | WRAP |
| Usual packing | 100 pieces per polybag, 2000 per carton |
Properties that matter in buying
- Dimensional stability — 1% allowance is built into the spec before cutting.
- Colour fastness — tested to WRAP on the actual base material, not on a substitute.
- Mechanical performance — abrasion resistance after 10 cycles or washes.
- Compliance — WRAP documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Hats
- Kidswear
- Sleepwear
- Bras
- Outdoor Tents
- Upholstery
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 jersey knit fabric, snap tape, pvc patch, cord lock, and the processes most often paired with closed-end zipper include anodising, epoxy coating, warp knitting.
Tell us the item, the quantity and the delivery window. We will quote it with the sub-processes named, so the lead time you approve is the lead time you get.
