1.Q:Do you inspect the finished products?
A:yes,each step of production and finished products will be came out inspection by QC department before shipping.
2.Q:How to distinguish polyester low elastic yarn from high elastic yarn?
A:Polyester low stretch silk feel hard, poor elasticity, black smoke with fire.High elastic silk feel soft, strong elasticity, with fire to emit clear smoke.They also have different shapes, with DTY fibers being curled and FDY fibers being straight.
3.Q:What are the factors that affect the cladding quality of spandexcoveredyarn?
A:1.spandex wire draft multiple
2.Fineness of spandex filament
3.covering degree
4.Type of cladding process