Types Of Leather Softener

Softeners can be added in multiple processes of tanning. The main function is to improve the feel, softness, and help Absorb other tanning additives. It is an important auxiliary agent for the preparation of soft leather, high-grade top leather and cowhide two-layer film transfer leather. In the past, the tannery used more oil to increase the softness, but the oil in the leather will change its acid value, iodine value, and saponification value. Unbound oil will also migrate, making the leather greasy and the leather body hard. . With the development of the leather industry, softeners with surfactants and silicone polymers as the main components have attracted increasing attention.