TPU Basting Thread for Shirts — Specification, Uses and Sourcing Notes
TPU Basting Thread for Shirts: Specification, Uses and Sourcing Notes
TPU Basting Thread is the version buyers specify for shirts 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
TPU gives basting thread its strength and surface character. 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 | Basting Thread |
|---|---|
| Base material | TPU |
| Standard size | 25 mm Width |
| Common finishes | Sandblasted Finish, Silicone Wash Finish, Epoxy Doming |
| Processes | Bonding, Electroplating, Enzyme Washing |
| Typical application | Shirts |
| Related applications | Baby Clothing, Bridal Gowns, Swimwear, Shirts |
| Test standard | GB 18401 |
| Usual packing | 500 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 GB 18401 on the actual base material, not on a substitute.
- Mechanical performance — elastic recovery after 30 cycles or washes.
- Compliance — GB 18401 documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.
Common uses
- Bedding Sets
- Down Jackets
- Kidswear
- Uniforms
- Shirts
- Sneakers
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 zipper tape, chenille patch, printed label, carabiner clip, and the processes most often paired with basting thread include sublimation printing, bonding, digital 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.
