Silk is divided into two types: silk and silk. The difference is as follows:
First, the article number identification
The domestic satin implements the unified product number formulated by the China National Silk Corporation. The article number consists of 5 Arabic numerals. The first digit on the left indicates the variety of the material: full silk fabric (including silk, silk) is "1", chemical fiber fabric is "2", blended fabric is "3", silkworm The silk fabric was "4", the rayon fabric was "5", the interwoven fabric (including the acetate silk fabric) was "6", and the woven fabric was "7".
Second, gloss, feel recognition
The full silk fabric is elegant and pearly, and the hand feels soft and elegant. The chemical fiber fabric is bright and glaring, and the hand feels stiff. Some silk fabrics have a soft touch, but the silk surface is dark and has no pearl luster.
Identification of silk
A set of four sets of bedding, to determine whether it is silk, cotton, hemp, wool or rayon, is generally judged by experience. Such as long-term contact with a variety of fabric sales staff, sewing workers, etc., because of long-term contact and experienced eye-catching can determine what raw materials bedding. But now there are a lot of synthetic fibers. The ultra-filament and special-shaped silk of nylon, polyester and viscose fiber can be made into simulated silk, which is enough to be fake and true. It is difficult to judge the authenticity of it by hand. Therefore, it is necessary to use a variety of methods, comprehensive analysis and research to obtain accurate conclusions. Such as: combustion identification method, microscopic observation and identification method, dissolution identification method, chemical coloring identification method, melting point difference identification method and infrared spectrum identification method, and the like.
Then, consumers do not have the necessary testing conditions, how to identify the authenticity of silk? Here are two simple ways to do this: an experienced person can distinguish it by hand and feel soft and smooth, but not like the waxy slip of plastic. Grab a hand, release your hand, it is wrinkled. The simulated silks are all polyester, and the elasticity is very good. In addition, the real silk feels warm in winter and cool in summer, very comfortable. The simulated silk touched it, the summer was very hot and the winter was cold.
The combustion method is the most convenient and effective. The silk is pulled out of the silk, and it smells like burning hair because they are all protein fibers. Polyester is a petrochemical product that burns like the smell of a burning candle and has a hard granular residue after burning. Dyeing, this is not suitable for the average consumer. Silk is very easy to dye, and almost all dyes can be easily dyed. The polyester of the simulated silk is almost invulnerable. No dye can be dyed at normal temperature. After the dye is applied, the water will be washed off.
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