In the 1990s, Japan pioneered the production of UV-protective fabrics. Currently, there are generally four ways to enhance the UV-protective properties of textiles: first, by selecting fibers with inherent UV-resistance—such as linen or polyester—as raw materials; second, by modifying the…
Changes in the atmospheric environment have drawn increasing attention to surface ultraviolet (UV) radiation, as excessive exposure can damage human skin. Textiles serve as a convenient means of UV protection, and UV-protective fabrics have become a key research focus within…
Based on their wavelengths, ultraviolet (UV) rays are categorized into three regions: short-wave, medium-wave, and long-wave ultraviolet radiation. Long-wave UV, or UVA (320 nm–400 nm), can induce skin pigmentation—earning it the nickname "tanning range"—and is a contributing factor to skin…
Air jet spinning produces yarn using compressed air rather than a spinning spindle or rotor. This makes it much more sensitive to fiber length, fineness, and friction than ring spinning. That is why most air jet yarns you see are…
Yarn count is used to indicate the fineness of yarns and to judge if they are suitable for production and fabric needs. Air jet spinning: Knowledge of yarn count helps in accurate calculations, sample evaluation, and optimizing the process. The…
An air jet spinning machine uses compressed air to form yarn, making airflow demand a key factor in energy costs and spinning stability. How much compressed air does an air jet spinning machine use? Consumption depends on the machine model,…
The elbows of our sweaters often lose their shape, the knees of our knitted trousers are the first to wear through and develop holes, and—needless to say—our socks occasionally sprout openings that let our toes peek out at the world.…
During use, fabrics are frequently subjected to concentrated loads, which can lead to localized damage and rupture—a phenomenon known as tearing. The tear resistance of a fabric is a key indicator of its durability. If a fabric has poor tear…
When you operate an air jet spinning machine, yarn take-up speed directly affects your production rate, yarn tension, and process stability. If you set the speed incorrectly, you may experience tension fluctuations, inconsistent yarn formation, and production issues. By controlling…
When you operate an air jet spinning machine, yarn tension directly affects fiber control, yarn formation, and production stability. You need to maintain consistent tension throughout spinning because fluctuations can cause yarn breaks, irregular structure, and quality variations. By understanding…
Air jet spinning determines yarn quality and evenness through a roller-and-apron drafting system. The system aligns the fibres together in parallel while the air jet wraps the surface fibres around the untwisted core. An air jet cannot fix mechanical drafting…
Throughout the textile wet processing—from pretreatment to finishing—fabrics are subjected to various chemical agents, such as acetic acid, caustic soda, hydrogen peroxide, and sodium hydrosulfite. These substances can cause irreversible damage to the fabric's internal structure, necessitating targeted strength testing.…