技术概览
水溶性 PVA 缝纫线在生产过程中提供可靠的缝合强度，并在设定的湿法后整理条件下去除。
PVA sewing thread is selected for temporary seams, positioning and assembly operations that need reliable stitching during production but no permanent thread in the finished article. The thread must balance needle performance, loop formation and temporary seam strength with a removal cycle compatible with the garment, embroidery or textile construction.
A loose-thread demonstration does not reproduce actual sewing conditions. Stitch density, seam type, needle heat, machine speed, package format and surrounding materials all influence performance. We review those conditions before proposing a sample and recommend testing the complete sewn construction through the intended wet-finishing sequence.
规格与选型
水溶温度选择
温度标签只是选型起点，并非完整规格。时间、搅动、浴比、织物结构和后整理化学品都会影响实际溶解表现——请在对比样品前阅读我们的溶解指南。
20°C目标水溶温度
- 20S/1–80S/1 PVA yarn
- 40S/2 thread · 1,500–5,000 m
- 1.50 dtex × 38 mm fiber
- 110D/25F filament
40°C目标水溶温度
- 20S/1–80S/1 PVA yarn
- 40S/2 sewing thread
- 1.40 dtex × 38 mm fiber
55°C目标水溶温度
- 55D/15F PVA filament yarn
60°C目标水溶温度
- 40S/1–60S/1 PVA yarn
- PVA sewing thread
- PVA staple fiber
80°C目标水溶温度
- 20S/1–45S/1 PVA yarn
- 1.67 dtex × 38 mm fiber
- SS-8 papermaking fiber · 2 dtex × 4 mm
90°C目标水溶温度
- PVA yarn & sewing thread
- 1.33–1.67 dtex × 38 mm fiber
- SS-9 papermaking fiber · 2 dtex × 6 mm
- PVA filament tow
30,000 平方米生产基地、120,000 锭纺纱能力，为不同支数和水溶温度产品提供稳定、可追溯的制造基础。
工艺指南
从需求到批量供应的三步流程
Describe the sewing operation
Provide machine type, needle, stitch and seam construction, operating speed and the failure mode that must be avoided during production.
Define removal without damaging the article
Specify the maximum safe water temperature for the fabric, dyes and trims together with cycle time, agitation and the required residual condition.
Lock the commercial specification
After a successful trial, record count, ply, finish, package size, labeling, test method and acceptance criteria so the production order follows the approved sample.
相关技术资源
- PVA Yarn Dissolution Temperature Guide: 20°C, 40°C and 90°C
- Five Specifications to Confirm Before Ordering Water-Soluble PVA Yarn
- How do I select a reliable OEM factory for PVA water-soluble sewing thread?
- What is the minimum order quantity for PVA water-soluble thread?
- Is PVA water-soluble thread biodegradable for fashion applications?
- How is PVA sewing thread used for temporary stitching in garments?
产品常见问题
Is water-soluble sewing thread the same as embroidery backing?
No. Thread creates stitches while films, fabrics or nonwovens provide broader support. The correct material depends on the temporary function and removal route.
Why can a thread break even when its tensile result is acceptable?
Needle conditions, guides, tension, speed, package unwinding and seam design can create stresses that a laboratory tensile number does not reproduce.
What information is needed for OEM packaging?
Include package type and size, net weight, label language, carton requirements, artwork approval and any destination-specific marks.