The appearance of high-quality silk has a pearl-like color, diffuse refraction of light, cleanliness and impurities, and the silk path is orderly and tidy. The poor quality of the silk is pale due to the addition of chemicals such as bleach. It is not shiny and moist, and has a lot of impurities.
The silk is light and comfortable, which not only nourishes the skin, but also helps sleep.
To identify the true and false silk, in addition to observing the appearance, 84 disinfectant can also verify the authenticity.
The appearance of high-quality silk has a pearl-like color, diffuse refraction of light, cleanliness and impurities, and the silk path is orderly and tidy. The poor quality of the silk is pale due to the addition of chemicals such as bleach. It is not shiny and moist, and has a lot of impurities.
The electrostatic reaction is used to rub the silk at the sample mouth. When it is for one minute, let it absorb the shredded paper of the size of the rice. If it can be sucked up, it means that a large amount of chemical fiber is mixed, and the pure silk is not generated by static electricity.
Natural silk does not have a flame-retardant combustion. Natural silk does not have flame retardancy. When it is separated from the flame, it is stopped burning (Fig.), and the ash is loose and grayish white, and has a burnt smell of hair; the fake silk is black when it is ignited by fire. Smoke with a pungent odor.
The amino acid in the dissolved silk is a soluble protein, and a little silkworm is in the 84 disinfectant. After three or five minutes, the silk will gradually dissolve and disappear (Fig.), and if it does not fall, it is a fake silk.
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