What are the processes involved in making sheep's leather?

Tanning: This is a key step in the production of sheep leather, through the use of tanning agents (such as chrome tanning agent, vegetable tanning agent, etc.) and the protein in the sheepskin to have a chemical reaction, so that the leather becomes more tough, water, light and corrosion resistant, but also fixed the shape of the leather, preventing it from shrinking and deformation.
Dehairing: Before tanning, the hair on the sheepskin needs to be removed, and the commonly used methods include chemical dehairing and enzyme dehairing, etc., in order to obtain a smooth leather surface.
Dyeing: according to the market demand and design requirements, using a variety of dyes to dye the sheep leather, so that it presents a rich variety of colors, to meet the aesthetic needs of different consumers.
Finishing: Apply a layer of finishing agent on the surface of leather, such as water-based, oil-based or polyurethane and other types of finishing agent, which can improve the glossiness, abrasion resistance and waterproof of the leather, and at the same time, can also cover up some minor defects on the surface of the leather.