Yarn Material used: Stretch nylon filament, acrylic, wool, cotton yarn and spandex.
适用于原料：单力锦纶长丝，晴纶及羊毛、棉纱、氨纶。
2
Wool is treated in superheated vapor for different time. And then we test its stretch characters and alkali solubility while take its color changes into consideration.