Silk generally refers to silk, including mulberry silk, tussah silk, castor silk, cassava silk and so on. Real silk is called the "fiber queen" and has been favored by people throughout the ages for its unique charm. Silk is a protein fiber. Silk fibroin contains 18 kinds of amino acids that are beneficial to the human body, which can help the skin maintain the metabolism of the surface lipid membrane, so it can keep the skin moisturized and smooth.
Spread the sample flat and observe its appearance. The pure silk has light-absorbing properties, looks smooth and does not have a mirror surface, has an elegant and soft luster, pearly light, soft and elegant hand feeling, dense silk threads, wrinkles when grasped by hand, the higher the purity and the density The larger the silk, the better the hand feel; although the silk fabric has been de-hardened, the hand feel is softer, but the silk surface is dark and no pearl luster; the chemical fiber fabric is bright and dazzling, and the hand feels firmer. In addition, silk products should have a slightly scratchy feel, and rubbing the two layers of fabric will produce a "silk humming" sound, while fabrics made of other raw materials do not.