Fabric Knowledge: How To Identify Silk

　　 The concept of silk:

First, we need to understand what is real silk The real silk generally refers to silk, including mulberry silk, tussah silk, castor silk, cassava silk, etc. The real silk fabric is woven with silk as the raw material, and has many varieties. It is commonly used for women's clothing, which is light, soft, smooth, breathable, shiny, noble and elegant.

　　 Identification method of silk:

1. Item number identification: domestic silk adopts a unified item number consisting of five Arabic numerals, and the first digit represents the raw materials used for the commodity; The second digit represents the fabric organization of the commodity, followed by the serial number of the commodity. In front of this digit, capital letters represent the origin of the commodity. The code of silk raw materials: "1" represents real silk, including mulberry silk and mulberry tussah interwoven varieties, double palace silk and mulberry silk with more than 50% mulberry silk; "2" represents synthetic fiber; "3" represents blending of natural fiber and staple fiber; "4" represents tussah silk; "5" stands for rayon; "6" represents the interweaving of more than two kinds of filaments, or the interweaving of filaments and short filaments; "7" "stands for quilt covers. Origin code of silk products: B is Beijing, C is Sichuan, D is Liaoning, E is Hubei, G is Guangdong, H is Zhejiang, J is Jiangxi, K is Jiangsu, M is Fujian, N is Guangxi, Q is Shaanxi, S is Shanghai, T is Tianjin, V is Henan, W is Anhui, X is Hunan.

2. Price identification.

3. Gloss sense recognition: the luster of silk is very elegant, soft and even; Artificial silk is bright and lustrous. Compared with real silk, it is not so soft and smooth, with shiny bright silk; The light of chemical filaments is kind and dazzling, with strong reflectivity.

4. Hand feeling recognition: when touching silk, the hand feels soft and elegant, the texture is fine, the hand will have wrinkles, and there will be a feeling of holding hands along the way; Although rayon is also soft, it feels a little rough and hard compared with the hand, and it will feel wet and cool when held tightly; The chemical fiber fabric has a firm feel and is not soft. The hand release and rebound quickly, and it is firm and has good wrinkle resistance.

5. Tension identification: the tension of silk is poor, and it is easy to break; Rayon is easy to break when it is wet; Chemical fiber is strong and tough in wet and dry state.

6. Friction sound recognition: When the fabrics are rubbed against each other, the silk fabrics will produce a sound, which is often called "silk sound" and "silk sound", and his chemical fiber fabrics do not have such a sound.

7. Burning identification: when burning silk yarn, there is no open fire, and there is a smell of burnt hair. Ashes can be crushed by hand; When the rayon yarn is burned, there is a flame and a smell of burning plastic. After burning, it will leave a hard rubber block.

?