Poly-amide 6.6 synthetic fiber, popular name nylon 6.6 or 6 synthetic fiber, through special process to bonded inside white twisting the yarm, them sticking and finalize all fiber together like one, while sewing, the bonded thread does not dis-entwine, not cottony, high resistance to abrasion. The sewing effect is very wonderful due to the advantage of nylon material and the effectual disposal of lubricant.
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Internal Bonded Thread: It is relatively soft, the sewing performance is better than external bonded thread. Internal bonded thread can be dyed after bonded treatment. So it is easy to grasp the color accuracy. To produce Internal Bonded Thread, thread will be twisted with hot-melt filament. After heating and stereotypes, thread will be glued by hot-melt filament. Comparing the production of External Bonded Thread, Internal bonded treatment is easier, more stable and less loss. It is suitable for mass production. Nowadays, Internal Bonded Treatment is the mainstream technology for manufacturing bonded thread.