Bonded thread is a kind of sewing thread that does not fall apart. It is a sewing thread that is made by twisting high-quality environmentally friendly nylon filaments or polyester filaments and bonding them together.
Polyester bonded thread is a sewing thread made of high-strength polyester filaments, which are bonded together by a special process, and then bonded with thread oil with a special lubricating formula. After bonding, all the strands of yarn are bonded together.
During the sewing process, the bonded thread has the characteristics of high temperature resistance, no stretching, no fading, no break, no linting, and it also has waterproof and mildew-proof functions. Bonded Polyester Thread is suitable for various sewing threads with high-strength tensile requirements.

Key Steps In Making Bonded Polyester Thread
- Raw material selection: Use high-quality polyester fiber as raw material.
- Twisting process: Twist the polyester fiber together to form a thread.
- Bonding treatment: Bond the strands together through a special process to maintain the integrity and strength of the thread.
- Lubricating formula: Use thread oil with a special lubricating formula to ensure that the thread will not be damaged by friction during sewing.
Conclusion
Bonded Polyester Thread is widely used in various occasions that require high-quality sewing, such as car seats and airbags, leather furniture, bags, parachutes, diving suits, high-end sports shoes, tents, sails, car awnings and high-end mattresses.
Compared with nylon bonded thread, Bonded Polyester Thread performs better in elasticity, heat resistance and light resistance, while nylon bonded thread has better resilience and shrinkage. According to different application requirements, you can choose the appropriate bonded thread type to meet specific sewing requirements.