Glass Metal Zipper for Blouses — Specification, Uses and Sourcing Notes
Glass Metal Zipper for Blouses: Specification, Uses and Sourcing Notes
Glass Metal Zipper is the version buyers specify for blouses 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
Glass gives metal zipper its drape and hand feel. In practice that means the trim behaves differently in cutting, in finishing and in wear: the finish has to be applied before assembly. 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 | Metal Zipper |
|---|---|
| Base material | Glass |
| Standard size | 15 mm Width |
| Common finishes | Powder Coating, Glossy Enamel Coating, Antique Brass Plating |
| Processes | Injection Moulding, Flame Retardant Finishing, Piece Dyeing |
| Typical application | Blouses |
| Related applications | Skirts, Sneakers, Backpacks, Footwear |
| Test standard | WRAP |
| Usual packing | 500 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 WRAP on the actual base material, not on a substitute.
- Mechanical performance — elastic recovery 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
- Backpacks
- Lingerie
- Jackets
- Baby Clothing
- Bags
- Blouses
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 nylon spandex fabric, hair canvas, reverse coil zipper, bonded fabric, and the processes most often paired with metal zipper include enamel filling, epoxy coating, stone washing.
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.
