Viscose or Rayon fiber is one of the oldest and most popular fibers commercially used worldwide. The best thing about the fiber is that it’s made from organic sources and includes no proportion of synthetic elements. The viscose yarns are created using cellulose base. Viscose yarns have high tensile strength and they retain the colors pretty long. The viscose yarns are hugely used in the textile industries, especially for the knitting and crocheting tasks.