company news 2026-07-05

What is polyester sewing thread?

Polyester sewing thread is the most widely used synthetic fibre sewing material in the textile industry. Made from high-quality polyester fibre as its core raw material, it is produced through a series of processes including spinning, twisting and setting. Thanks to its outstanding overall performance, it has become the mainstream thread of choice for home crafts, garment making and industrial sewing.

Compared to natural fibre sewing threads such as ordinary cotton thread, the key advantages of polyester sewing thread are particularly notable. It possesses extremely high tensile strength and ample toughness; it is resistant to breaking and pilling during sewing, and can withstand the high-speed friction and tensile forces of machine sewing, making it suitable for sewing a wide range of fabrics, from thin to thick. Furthermore, this sewing thread offers excellent abrasion resistance; it is unlikely to wear out or crack even with prolonged use, effectively ensuring the strength of the seams in garments and fabric products, and significantly extending the service life of the finished items.

Weather resistance and chemical resistance are another major highlight. Polyester sewing thread has excellent colour fastness; it is unaffected by prolonged exposure to sunlight and is resistant to fading and discolouration, ensuring that products retain a neat and attractive appearance for a long time. Furthermore, it is chemically stable and resistant to corrosion from everyday acids and alkalis; it does not age or deteriorate easily after washing or wiping, and has an extremely low shrinkage rate, meaning that sewn items are unlikely to lose their shape.

Thanks to these numerous excellent properties, polyester sewing thread is highly versatile. It not only meets domestic needs such as everyday hand sewing and garment repairs, but is also widely used in industrial production sectors including apparel, home textiles, leather goods and outdoor equipment. With its consistent quality, durability and exceptional value for money, it has become an indispensable basic material in the textile and sewing industry, with market demand remaining consistently strong.