Hygroscopicity of rayon fibers

Moisture absorption is an important characteristic of rayon fiber, rayon fiber moisture absorption is good, with rayon fiber pure spun or spun fabric, made into underwear can keep the skin dry, comfortable to wear, which is one of the biggest characteristics of rayon fiber. Hygroscopic measurement, the general provisions of the relative humidity of 65%±5%, humidity of 20±5 ° C atmospheric state is the standard state, the fiber balance under this condition for 24 hours, the percentage of water absorbed is called moisture regain.