Spinning cotton is a filling material. The superfine silicon containing hollow staple fiber is used as the main raw material of silk like cotton, and some heat capacity staple fibers are added to the spinning cotton, so the glue content in the finished product of spinning cotton is actually very small. After calendering and ironing, the surface of spinning cotton has mercerization, and the hand feeling is fine, soft and light. With silk like cotton as filler, the surface of spinning cotton is flat and has a good heat preservation effect. In addition, spun cotton has strong water washing resistance and is not easy to deform. Extended data: purpose It belongs to chemical synthetic materials, so it can be selected according to the softer and fluffy ones. Moreover, there are two kinds of spinning cotton, glue free and glue free. Among them, silk like cotton has good water resistance, so it is more suitable for cleaning. Spinning cotton is a high-grade fabric, which can be used as high-grade cold proof clothing, fine and soft fabric clothing, bedding, high-grade winter clothing, etc. it can be used as the filler of this kind of clothing, and has a very comfortable hand feel. At the same time, imitation silk cotton is also an ideal material to replace down as filler.