Glass Spandex Fabric for Backpacks — Specification, Uses and Sourcing Notes
Glass Spandex Fabric for Backpacks: Specification, Uses and Sourcing Notes
Glass Spandex Fabric is the version buyers specify for backpacks 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 spandex fabric its durability under wash and abrasion. In practice that means the fabric 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 | Spandex Fabric |
|---|---|
| Base material | Glass |
| Standard size | 210 gsm |
| Common finishes | Brushed Silver Finish, Gunmetal Finish, Anodised Finish |
| Processes | Epoxy Coating, Moisture Wicking Finishing, Embroidery |
| Typical application | Backpacks |
| Related applications | Blazers, Underwear, Gloves, Blouses |
| Test standard | BSCI |
| Usual packing | 100 pieces per polybag, 2000 per carton |
Properties that matter in buying
- Dimensional stability — 1% allowance is built into the spec before cutting.
- Colour fastness — tested to BSCI on the actual base material, not on a substitute.
- Mechanical performance — elastic recovery 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
- Blazers
- Backpacks
- Coats
- Shirts
- Suits
- Evening Wear
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 toggle button, snap tape, jeans button, georgette fabric, and the processes most often paired with spandex fabric include sanforising, weft knitting, stone washing.
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.
