Nylon Overlocking Thread for Backpacks — Specification, Uses and Sourcing Notes
Nylon Overlocking Thread for Backpacks: Specification, Uses and Sourcing Notes
Nylon Overlocking Thread 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
Nylon gives overlocking thread its strength and surface character. 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 | Overlocking Thread |
|---|---|
| Base material | Nylon |
| Standard size | 3# Gauge |
| Common finishes | Sandblasted Finish, Black Nickel Finish, Antique Copper Finish |
| Processes | Sanforising, Electroplating, Stone Washing |
| Typical application | Backpacks |
| Related applications | Blouses, Outdoor Tents, Trousers, Swimwear |
| Test standard | ISO 105 Colour Fastness |
| Usual packing | 100 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 ISO 105 Colour Fastness on the actual base material, not on a substitute.
- Mechanical performance — pull strength after 10 cycles or washes.
- Compliance — ISO 105 Colour Fastness documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Upholstery
- Activewear
- Skirts
- Jackets
- Scarves
- Outdoor Tents
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 rickrack trim, cord end, sweatshirt fleece, boning tape, and the processes most often paired with overlocking thread include injection moulding, flame retardant finishing, laminating.
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