PU Leather Waterproof Seam Seal Tape for Blazers — Specification, Uses and Sourcing Notes
PU Leather Waterproof Seam Seal Tape for Blazers: Specification, Uses and Sourcing Notes
PU Leather Waterproof Seam Seal Tape is the version buyers specify for blazers 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
PU Leather gives waterproof seam seal 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 | Waterproof Seam Seal Tape |
|---|---|
| Base material | PU Leather |
| Standard size | 8# Gauge |
| Common finishes | Powder Coating, Gunmetal Finish, UV Printing |
| Processes | Heat Transfer Printing, Electroplating, Anti-Pilling Finish |
| Typical application | Blazers |
| Related applications | Hats, Backpacks, Down Jackets, Blazers |
| Test standard | REACH SVHC Screening |
| Usual packing | 500 pieces per polybag, 2000 per carton |
Properties that matter in buying
- Dimensional stability — 2% allowance is built into the spec before cutting.
- Colour fastness — tested to REACH SVHC Screening on the actual base material, not on a substitute.
- Mechanical performance — elastic recovery after 10 cycles or washes.
- Compliance — REACH SVHC Screening documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Outdoor Tents
- Coats
- Skirts
- Sleepwear
- Activewear
- Baby Clothing
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 velcro loop tape, heat transfer label, sew-on button, mulberry silk fabric, and the processes most often paired with waterproof seam seal tape include mercerising, warp knitting, ultrasonic welding.
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.
