HF polymer welder Processing.What are the processes and classifications of leather embossing machines?

　　1、 By purpose

　　Leather for daily use, national defense, industry and agriculture, and cultural and sports goods;

　　2、 According to the tanning method

　　Chrome tanned leather, vegetable tanned leather, oil tanned leather, aldehyde tanned leather, and combination tanned leather. In addition, it can also be divided into light leather and heavy leather. Leather commonly used for shoes, clothing, gloves, etc. is called light leather and is measured by area; Leather made from thicker animal skin and tanned with plant tanning agents or combination tanning, used for the inner and outer soles of leather shoes and industrial accessories, is called heavy leather and is measured by weight.

　　3、 By animal species

　　There are mainly pig leather, cow leather, sheep leather, horse leather, donkey leather, and kangaroo leather, as well as a small amount of fish leather, reptile leather, amphibian leather, ostrich leather, etc. Among them, cow leather is further divided into cattle leather, buffalo leather, yak leather, and yak leather; Sheepskin leather is divided into sheep leather and goat leather. Among the main types of leather, cattle leather and sheep leather have a flat and fine surface, small eyelets, dense and compact internal structure, good fullness and elasticity, and good physical properties. Therefore, premium yellow cattle leather and sheep leather are generally used as leather materials for products, and their prices are higher among bulk leather.

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