Knitwear supplier tells you that the easy way to identify the composition of clothing fabrics is the burning method. The method is to draw a piece of cloth yarn containing warp yarn and weft yarn at the seam of the garment, light it with fire, observe the state of the burning flame, smell the smell of the cloth yarn after burning, and look at the residue after burning, so as to judge Whether it is consistent with the fabric composition marked on the clothing durability label to identify the authenticity of the fabric composition.

     1. Cotton fiber and hemp fiber Cotton fiber and hemp fiber are both flammable just near the flame, burning rapidly, the flame is yellow, and blue smoke is emitted. The difference between the smell and ashes after burning is that cotton emits paper smell when burned, and hemp burns emits plant ash; after burning, cotton has very little powder ash, which is black or gray, and hemp produces a small amount of off-white powder ash.

     2. The Knitwear supplier tells you that the wool fiber and silk wool will smoke when exposed to fire, foam when burning, and the burning speed is slow, giving off the smell of burnt hair. After burning, the ashes are mostly glossy black spherical particles. Press your finger Instantly crumble. Silk shrinks into balls when exposed to fire, burns slowly, with a hissing sound, and emits the smell of burnt hair. After burning, it forms dark brown balls of ashes, which can be crushed when twisted by hand.