Explanation

After a series of chemical and mechanical actions, the leather raw skin can be used as a product. This includes properties such as resistance to moisture and heat, resistance to cracking, resistance to chemical reagents, and microbial action. Adding: the process includes soaking, meat removal, unhairing, liming, peeling, deliming, bating, pickling, tanning, shaving, retanning, dyeing, fatliquoring, drying, finishing, ironing and other processes. During the process - the coat, epidermis, and subcutaneous tissue are removed. The combination of collagen fiber and tannin. After appropriate physical and mechanical processing, the product has properties such as softness, toughness, non deformation when exposed to water, non shrinkage when dry, resistance to moisture and heat, and resistance to chemicals. leather is classified into light leather and heavy leather according to the breadth and the most selected; It is divided into household leather, industrial leather, and national defense leather according to their use; According to the tanning method, it can be divided into chrome tanned leather, vegetable tanned leather, aldehyde tanned leather, etc.

Classification