Double core spun yarn is a kind of yarn which is made by twisting and spinning with staple fiber as outer material and two kinds of filaments with different characteristics as core yarn. Due to the different properties of the two kinds of core yarns, there is a strong complementarity, so that the yarn has more superior characteristics. Such as cotton package T400 + spandex. T400 is characterized by good expansibility, excellent elastic recovery, better dimensional stability and better strength than spandex. Spandex is characterized by high elasticity and can withstand repeated stretching. Using these two kinds of filaments as core yarn, the yarn produced by wrapping cotton fiber not only keeps the good hygroscopicity, softness and elasticity of cotton spandex yarn, but also has higher strength, wear resistance and dimensional stability. The fabric made of this yarn has no sense of binding, compression and relaxation. And wear resistance, high tear strength, small shrinkage, good shape retention.
