It has good heat resistance but relatively poor elasticity, abrasion resistance, moisture resistance, and antibacterial properties. It is suitable for high-speed sewing and durable ironing. The most commonly used type is long-staple pure cotton thread: made from long-staple cotton through processes such as combed spinning, singeing, and mercerization, and further twisted at a high density, giving it superior tensile strength compared to ordinary combed pure cotton. It is often used for sewing pure cotton garments and other pure cotton fabrics. Specifications: 20/2 (60/4), 20/3 (60/6), 40/2, 40/3, 20/9 Pure cotton thread: Generally divided into two types—carded and combed. Only truly 100% pure cotton thread that has undergone full-combing can be used for sewing purposes. Commonly used specifications include 402, 202, and 203. This thread is made from high-quality cotton grown in cotton-producing regions, after being combed and singed. Pure cotton thread is frequently used for sewing pure cotton garments and other pure cotton fabrics.