Recycled PET Waterproof Zipper for Bags — Specification, Uses and Sourcing Notes
Recycled PET Waterproof Zipper for Bags: Specification, Uses and Sourcing Notes
Recycled PET Waterproof Zipper is the version buyers specify for bags 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
Recycled PET gives waterproof zipper its drape and hand feel. In practice that means the trim behaves differently in cutting, in finishing and in wear: shrinkage allowance has to be built into the spec. 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 | Waterproof Zipper |
|---|---|
| Base material | Recycled PET |
| Standard size | 20 mm Width |
| Common finishes | Gunmetal Finish, Enzyme Wash Finish, Pearlescent Coating |
| Processes | Sanforising, Piece Dyeing, Embossing |
| Typical application | Bags |
| Related applications | Sportswear, Baby Clothing, Kidswear, Backpacks |
| Test standard | BSCI |
| Usual packing | 100 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 BSCI on the actual base material, not on a substitute.
- Mechanical performance — pull strength after 20 cycles or washes.
- Compliance — BSCI documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Shirts
- Yoga Wear
- Baby Clothing
- Dresses
- Home Curtains
- Bedding Sets
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 embroidery thread, snap button, combed cotton fabric, size sticker, and the processes most often paired with waterproof zipper include singeing, anti-bacterial finishing, mercerising.
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.
