They go further and are subject to less strain and are easy to vary for design purpose. 3. Novelty yarns add interest to plain weave fabrics at lower cost. Novelty yarn effects are permanent. 4. Novelty yarns that are loose and bulky give crease resistance to a fabric but they make the fabric spongy and hard to sew.

The method was frequently modified until now it is capable of producing the finest diameter of any of the rayons. 1. Cotton linters afford the greatest purity and are the preferred source cellulose. These fibers are cleansed by cooking in a mild caustic alkali and bleached with chlorine.