How to distinguish the composition of sweaters
Cotton is a plant fiber, wool is an animal fiber, and chemical fibers include polyester, nylon, acrylic, and spandex.
1. Appearance, the surface of cotton has no luster, and the luster of wool and chemical fiber is more obvious. Generally, our pure cotton sweaters will burn quickly, and the embers will be crushed as soon as they are crushed!
2. It feels that cotton is rougher and harder than other fibers. The fine-needle cotton knitted fabric will feel softer and slippery, while the thick knitted sweater will be stiffer. Wool is smoother and softer, but it is divided into different ranks. Sheep wool is also a kind of wool. Sheep wool has a tangled feel to the touch. Chemical fibers are generally smooth, and special treatment can change the feel of chemical fibers. Cotton has good air permeability, strong sweat absorption and moisture release, and general warmth retention. Cotton yarn is usually used in spring and summer clothing. Wool has good moisture absorption, especially its warmth retention. Chemical fiber has poor air permeability and moisture absorption, uncomfortable wearing, and low warmth retention.
3. static electricity, many people have already learned about this on the Internet, but we also need to distinguish between chemical fiber sweaters and wool sweaters when we wholesale sweaters!
4. Burning, cotton will burn quickly when it comes into contact with the flame, and it can continue to burn after leaving the flame, with the smell of burning paper when it burns, leaving only a small amount of off-white ashes after burning. When the wool is burned, it will give off the smell of scorching hair, and the ashes left after burning are black and crisp, and it will turn into powder when twisted by hand.

