TPU Plastic Zipper for Backpacks — Specification, Uses and Sourcing Notes
TPU Plastic Zipper for Backpacks: Specification, Uses and Sourcing Notes
TPU Plastic Zipper is the version buyers specify for backpacks 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
TPU gives plastic zipper its strength and surface character. 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 | Plastic Zipper |
|---|---|
| Base material | TPU |
| Standard size | 9 mm Width |
| Common finishes | Piece-Dyed Finish, Mercerised Finish, Pearlescent Coating |
| Processes | Digital Printing, Enzyme Washing, Screen Printing |
| Typical application | Backpacks |
| Related applications | Suits, Bridal Gowns, Blazers, Scarves |
| Test standard | OEKO-TEX Standard 100 |
| 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 OEKO-TEX Standard 100 on the actual base material, not on a substitute.
- Mechanical performance — pull strength after 10 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
- Bridal Gowns
- Gloves
- Down Jackets
- Kidswear
- Skirts
- Underwear
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 moisture wicking fabric, spandex fabric, organza ribbon, pom pom trim, and the processes most often paired with plastic zipper include stone washing, embossing, laser cutting.
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.
