成份：聚氨酯涤纶短纤。
特点：用途广泛，普遍使用的缝纫线，价格相对便宜，表面有少许毛羽，着色牢固。适用于需求不高的产品缝制，或作缝纫底线用。
Composition:polyurethane polyester staple fiber
Characteristics：a widely and commonly used sewing thread，with relatively cheap price,a little hairness on the surface,on fade of color;applied to low-demand sewing product or the ground sewing.
| 规格 | 直径 m/m | 强力 | 适用范围 |
| 40s/2 | 0.18 | ≥2.0kg | 高档真皮皮鞋、皮具、箱包等制品的高速缝纫 |
| 40s/3 | 0.22 | ≥2.3kg | |
| 20s/2 | 0.28 | ≥3.0kg | |
| 20s/3 | 0.38 | ≥4.2kg | |
| 20s/4 | 0.49 | ≥5.0kg | |
| 20s/6 | 0.62 | ≥6.1kg | |
| 20s/9 | 0.75 | ≥8.3kg | |
| 20s/12 | 0.90 | ≥12.4kg | |
