When a piece of cloth or a piece of clothing, to determine whether it is silk, cotton, linen, wool or rayon, is generally judged by experience. If long-term exposure to a variety of fabric salesman, sewing, etc., because long-term exposure and experienced seeing what raw fabric hand touch can determine. But now many synthetic fibers.
Nylon, polyester, viscose fiber and ultra-fine wire shaped wire, can be made of artificial silk, enough real ones, seeing the hand touch alone is difficult to determine its authenticity. Therefore, to use a variety of methods, comprehensive analysis and research, in order to reach an accurate conclusion. Such as: burning identification method, the microscope identification method, dissolution identification method, chemical coloring identification method, melting point difference identification method and Infrared Spectroscopy and so on.