Thrown Raw Mulberry Silk Yarn 20/22D 4A Grade Spot Inventory from top Factory!
Silkworm silk is made from cocoon as raw material by reeling silk.
Raw silk and cooked silk, mulberry silk needs to be degummed before dyeing, so it is called raw silk before degumming, and it is called cooked silk after degumming.
Silkworm silk and imitation silk (rayon yarn,polyester yarn), also known as silk.
Silk can be divided into two categories: filament silk, that is, silkworm silk. Short fiber silk, that is, silk, silk with male branch as the unit of measurement N, there are 60N/2,120N/2 and so on.
The unit of measurement of mulberry silk: Danier, referred to as D, specifications are: 20/22D, 40/44D, 50/70D;
Quality grade of mulberry silk: A to six A, generally with three A, four A is commonly used.
Mulberry silk is an animal protein fiber. Silk fibroin contains 18 kinds of amino acids that are beneficial to human body, which can help the skin maintain the metabolism of the lipid membrane on the surface and keep the skin moisturized and smooth. Therefore, mulberry silk has the reputation of the queen of fiber.
Silk clothes are soft and close, breathable and comfortable, and have a variety of health effects on the human body. Moreover, the moisture absorption of silk is 1.5 times that of pure cotton, so it can maintain the balance of skin moisture, and has a good health effect on children with tender skin and elderly people with dry skin. In addition, silk can protect the skin from the sun's ultraviolet rays. The snow-white silk spit out by the baby silkworm will gradually turn yellow under the ultraviolet light, because the silk absorbs the ultraviolet light in the sun. The purpose of protecting against ultraviolet rays can be achieved by using the ultraviolet absorption property of silk fibers.