1. Appearance inspection method
The regular silk quilt has an inspection port. After the inspection port is opened, the silk inside can be seen at a glance. Regular silk quilts are not quilted. Only the four corners of the quilt and the surface of the quilt are stitched slightly with needles to prevent the silk from slipping; now some manufacturers use inferior or adulterated silk quilts to quilt the entire quilt. , So that consumers cannot inspect the filling material inside. At this time, consumers should be careful.
2. Hand feel inspection method
The surface of high-quality silk has a soft pearl-like color, no blackening, no astringency, and the color of the silk is bright and uniform to diffuse the light without fluorescent reflection; the hand feels soft, delicate, smooth, and the silk is long and elastic. Compared with tussah silk, mulberry silk is whiter in color, longer fiber, softer, more delicate, smoother and more elastic than tussah silk.
3. Combustion test method
Pull out a few filaments at will and burn them with a lighter: the ignition point of the silk is very low, it will not burn, and it will be extinguished soon after burning. The smoke emitted when burning is white, and it is accompanied by the smell of protein from burning hair. (The smell of burnt animal protein in hair or feathers), the burning ashes are gently rubbed into a black powder by hand; the chemical fiber material will burn, burn black smoke and have a pungent odor, and the ash will be black and stick to the hands and become hard and small. Ball, there is a clear difference between the two.