It is used in sizing, desizing, scouring, bleaching, carbonization and chlorination processes. It can also be used as penetration aid for dyeing bath and finishing bath, as well as penetrant for leather coating. Leather industry is mainly used as soaking agent, which can significantly reduce the surface tension, promote the penetration of various materials into leather fibers, speed up the process and improve the process effect. The penetrant JFC can also be used in various processes of leather making process to promote the infiltration of leather and related chemicals. It has no affinity for leather fiber, can be mixed with various surfactants, and is easy to clean. It has good emulsifying ability and can be used for leather degreasing. It is used in fur enzyme depilation and enzyme softening, and has the functions of penetration, degreasing and descaling.