Recycled PET Waterproof Seam Seal Tape — Specification, Uses and Sourcing Notes
Recycled PET Waterproof Seam Seal Tape: Specification, Uses and Sourcing Notes
Recycled PET Waterproof Seam Seal Tape is the version buyers specify 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 seam seal tape its durability under wash and abrasion. In practice that means the trim behaves differently in cutting, in finishing and in wear: plating and coating adhesion must be tested on the actual base. 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 Seam Seal Tape |
|---|---|
| Base material | Recycled PET |
| Standard size | 12 mm Width |
| Common finishes | Anodised Finish, Laser Engraved Finish, Antique Brass Plating |
| Processes | Flame Retardant Finishing, Epoxy Coating, Die Casting |
| Typical applications | Blazers, Lingerie, Bras, Jeans |
| Test standard | California Prop 65 |
| Usual packing | 500 pieces per polybag, 10000 per carton |
Properties that matter in buying
- Dimensional stability — 2% allowance is built into the spec before cutting.
- Colour fastness — tested to California Prop 65 on the actual base material, not on a substitute.
- Mechanical performance — abrasion resistance after 50 cycles or washes.
- Compliance — California Prop 65 documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Caps
- Yoga Wear
- Socks
- Bags
- Luggage
- Suits
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 buckle, leather patch, hook and eye, fringe trim, and the processes most often paired with waterproof seam seal tape include calendering, screen printing, embroidery.
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.
