Glass Waterproof Seam Seal Tape for Underwear — Specification, Uses and Sourcing Notes
Glass Waterproof Seam Seal Tape for Underwear: Specification, Uses and Sourcing Notes
Glass Waterproof Seam Seal Tape is the version buyers specify for underwear 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
Glass gives waterproof seam seal tape its weight-to-strength ratio. 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 | Waterproof Seam Seal Tape |
|---|---|
| Base material | Glass |
| Standard size | 50 mm Width |
| Common finishes | Laser Engraved Finish, Soft-Touch Rubber Coating, Matte Black Coating |
| Processes | Screen Printing, Rotary Printing, Digital Printing |
| Typical application | Underwear |
| Related applications | Home Curtains, Scarves, Caps, Lingerie |
| Test standard | WRAP |
| Usual packing | 200 pieces per polybag, 5000 per carton |
Properties that matter in buying
- Dimensional stability — 1% allowance is built into the spec before cutting.
- Colour fastness — tested to WRAP on the actual base material, not on a substitute.
- Mechanical performance — abrasion resistance after 30 cycles or washes.
- Compliance — WRAP documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Gloves
- Coats
- Bags
- Down Jackets
- Outdoor Tents
- Swimwear
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 knit interlining, nylon taffeta fabric, woven elastic, stretch denim fabric, and the processes most often paired with waterproof seam seal tape include weft knitting, metal stamping, heat transfer printing.
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.
