There are several simple ways to identify genuine pure silk, and extract the silk inside.
First, use fire to burn. If it is real silk, it will be extinguished quickly after it is lit, and it will be powdery. If it is chemical fiber, it will be granulated and the smell will be pungent.
The second is to use the hand, the length of the silk thread is stipulated in the country of 25 cm or more, the scrap can only be pulled to 3 to 5 cm long, and the silk is pulled by hand. If it is easy to break, it is blocky like cotton, indicating that it is likely to be scrapped. Or chemical fiber.
"Of course, the most reliable is to choose a well-known brand. If a well-known brand is sampled out of unqualified products, its brand image will be damaged, and big brands will generally not take this risk.
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