Identification method of polyester yarn

Identification of rayon, silk, polyester: rayon is bright and shiny, feels slightly rough and cold, and has a clammy and cold feeling. After clenching it tightly with your hands, release it, there are many wrinkles, and there are still lines after it is flattened. Use the tongue to pull out the cloth. When rubbed wet, the rayon is stretched and easily broken and broken, and its elasticity is different when it is wet and dry. Silk has a soft luster, soft touch, and delicate texture. Rubbing against each other can make a special sound, commonly known as "silk ming" or "silk ming". After clenching it tightly with your hands, release it. The wrinkles are few and not obvious, and the silk has wet and dry elasticity. Consistent. Polyester silk has strong reflectivity, high stiffness, rapid rebound, crispness, good anti-wrinkle performance, strong and strong, and is not easy to break.