TPU Zipper Tape for Down Jackets — Specification, Uses and Sourcing Notes
TPU Zipper Tape for Down Jackets: Specification, Uses and Sourcing Notes
TPU Zipper Tape is the version buyers specify for down jackets 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 zipper tape its drape and hand feel. 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 | Zipper Tape |
|---|---|
| Base material | TPU |
| Standard size | 9 mm Width |
| Common finishes | Anodised Finish, Pearlescent Coating, Nickel-Free Electroplating |
| Processes | Injection Moulding, Stone Washing, Moisture Wicking Finishing |
| Typical application | Down Jackets |
| Related applications | Luggage, Bags, Swimwear, Yoga Wear |
| Test standard | EN 71-3 |
| Usual packing | 100 pieces per polybag, 10000 per carton |
Properties that matter in buying
- Dimensional stability — 1% allowance is built into the spec before cutting.
- Colour fastness — tested to EN 71-3 on the actual base material, not on a substitute.
- Mechanical performance — cycle life after 20 cycles or washes.
- Compliance — EN 71-3 documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Outdoor Tents
- Shirts
- Dresses
- Yoga Wear
- Bags
- Sleepwear
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 hook and eye tape, silk fabric, braided elastic, grommet, and the processes most often paired with zipper tape include piece dyeing, laser cutting, weft 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.
