What is Bonded Polyester Sewing Thread? What are the differences between inner Bonded thread and outer Bonded thread?
Polyester Bondi yarn is made of high-quality polyester filament fiber raw materials that are temperature-resistant and wear-resistant. The strands are bonded together through a special process. With a special lubricating formula of line oil, all strands of yarn are bonded together. Bonded together without unraveling strands of Bondi sewing thread.