技术概览
连续 PVA 长丝具有稳定的结构一致性，可根据强度、伸长率与溶解曲线匹配技术纺织或复合材料工艺。
PVA filament yarn provides a continuous material path for processes that need controlled linear strength, consistent tension or a removable continuous element. Filament count and construction affect handling, while strength, elongation, surface condition and water response must be considered together for the intended textile or technical process.
Selection begins with the equipment and function rather than a broad product name. The same filament can behave differently as a support yarn, woven component or temporary channel because tension, contact surfaces, surrounding materials and wet-treatment conditions change. Three Thai reviews this process context before confirming a sample specification.
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
Map the filament path
Share package format, guides, contact surfaces, running speed, operating tension and the points where abrasion or breakage is most likely.
Define the required service window
State which dry or wet stages the filament must survive and the exact conditions under which it should soften, lose strength or be removed.
Scale from controlled trials
Begin with a traceable sample, test it on representative equipment and record processing and removal results before confirming production quantity.
产品常见问题
How is filament different from staple fiber?
Filament is continuous and supports controlled linear processing; staple fiber is discontinuous and is selected for blending, formation or dispersion-based routes.
Which values matter beyond denier or dtex?
Construction, filament count, strength, elongation, package, surface condition, running tension and the dissolution method all influence suitability.
Can the same grade be used in every technical textile?
No. Equipment, tension, chemistry, temperature and the function of the temporary material must be validated for each application.