Unsymmertrical quenching is an effective method to prepare spiral three-dimension-crimp PET hollow fiber. Quench forming condition is the key technique in spinning.
非对称冷却成形法是制造螺旋形三维卷曲涤纶中空短纤维的有效方法，冷却成形条件是纺丝过程的技术关键。
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Our main products are types of PVC wires, spiral strengthened soft pipes, PVC fiber strengthened soft pipes, fluid pipes, anti-burning pipes, TPU EVA pipes, ect.
The design and manufacture of spiral wire traverses and the effects of fiber drawing geometry on strand traversing are described. Several types of traverses in common use are introduced.