Sewing Thread

Polyester sewing thread is a type of thread for sewing made from polyester (polyethylene terephthalate, PET). It is a widely used sewing material in fields such as textile and apparel, home textiles, and industrial sewing. Produced by processing polyester fibers through processes like spinning and twisting, polyester itself is a synthetic fiber with characteristics including high strength, wear resistance, and good wrinkle resistance—all of which endow polyester sewing thread with excellent performance.

Polyester Bonded Thread (often simply referred to as “Bonded Thread”) is a high-strength sewing thread made from polyester and processed through special techniques. Due to its characteristics such as smooth surface, high strength, and excellent wear resistance, it is widely used in fields including industrial sewing, outdoor gear, and leather products. Based on polyester filaments as the base material, it undergoes “bonded treatment”—a special coating or dipping process applied to the surface of the polyester thread (typically a resin coating), which forms a smooth and tough film on the thread surface. This process not only enhances the thread’s wear resistance but also reduces the frictional resistance of the thread during sewing, lowering the probability of thread breakage.

Polyester core-spun thread is a type of composite sewing thread with a special structure. Its core feature lies in its composition of two parts: a “core thread” and “outer covering fibers”. The outer layer is mainly made of polyester fibers, while the core thread typically uses high-strength fibers (such as polyester filaments, nylon filaments, or polyester staple fibers). Through a special spinning process, the outer polyester fibers are tightly wrapped around the surface of the core thread, forming a composite thread with multiple integrated properties.

Polyester staple fiber thread is a type of sewing thread made from polyester staple fibers through spinning and twisting processes. With relatively short fiber lengths (usually around 38-51 millimeters), it is one of the common basic threads used in textile sewing. Made from polyester staple fibers (i.e., polyester fibers with short lengths, distinct from continuous polyester filaments), it undergoes spinning processes such as carding, drawing, and twisting to twist multiple short fibers together into a continuous thread. The twisted structure between short fibers endows the thread with a certain degree of bulkiness and softness.

Polyester low-bulk thread is a type of sewing thread made from polyester, processed through special techniques such as compact spinning, high-twist twisting, or post-finishing. By reducing bulkiness, the thread becomes tighter, smoother, and more compact. Compared with ordinary polyester staple fiber thread, it is finer and stiffer, integrating the basic properties of polyester with the advantage of low bulkiness. It features tightly arranged fibers, strong cohesion, and more stable morphology.

Polyester high-bulk thread is a type of sewing or textile thread made from polyester (polyester fiber) through special processing techniques. It possesses high bulkiness, lightness, and good elasticity. While retaining polyester’s inherent properties such as wear resistance, acid and alkali resistance, and high strength, it significantly enhances the thread’s bulkiness through structural design or process treatment—thus gaining unique performance characteristics and application scenarios.

Nylon filament thread is a type of textile thread made by twisting or combining continuous filament fibers, which are produced from nylon (also known as polyamide fiber, by chemical name) through the melt spinning process. Its core feature is that the fibers have a continuous length without joints—distinguishing it from “staple fiber thread” formed by spinning short fibers—and it fully retains the excellent properties of nylon material. It is widely used in textile, sewing, industrial, and other fields.

Nylon Bonded Thread is a type of high-strength, high-wear-resistance sewing thread made by processing nylon filament as the base material through a special “Bonding Process”. Due to its stable thread structure and excellent performance, it is widely used in scenarios that have extremely high requirements for sewing strength and durability.

The automotive sewing thread series caters to the automotive industry, high-end outdoor gear, and leather sewing industries with high requirements. It can withstand high-speed, multi-directional sewing of multi-layer fabrics and resist UV exposure throughout the entire service life of any vehicle.