Tree leather is leather tanned with vegetable tanning agents. Leather tanned with vegetable tanning agents (tannic acid liquid) extracted from plants is called "vegetable tanned leather". It does not contain substances that are harmful to the human body and is a green and environmentally friendly leather that can be used in direct contact with the skin.

Because the leather tanned by vegetable tanning agent (tannic acid solution) has strong water absorption and high plasticity, it is easy to shape and is very suitable for engraving and leather modeling. Therefore, in the initial application fields, it was mostly used in the production of leather crafts.

Due to its harmlessness to the human body, it is gradually applied to leather products that can be in direct contact with the human body. For example: handbags, backpacks, harnesses, insoles, shoe linings, hat rims, belts and other leather products that can come into direct contact with the human body.

Extended information

The extract obtained by leaching vegetable tannins with water to extract tannins, and the solid block or powder obtained after further processing is called tannin extract. Therefore, vegetable-tanned leather tanned with vegetable tanning agents is also called tannin bark, tannin bark, and bark, wood, fruit shells, leaves, etc. in the plant world are all tannin raw materials.

Leather tanned with vegetable tanning materials, so some people also call it tree paste bark, and some also write it as tree lamb bark.

Characteristics of vegetable tanned leather: The leather after tanning and fattening is soft and has a tight fiber structure, small extensibility, good formability, full and elastic board surface, no greasy feeling, and the grains of the leather are The surface and suede surface are shiny, absorb water and become soft easily, and are plastic and easy to shape. The color ranges from natural light pink to light brown, which is most suitable for leather carving.

Vegetable tanned leather includes: shoe sole leather (inner and outer sole), industrial leather, equipment leather, car seat cushion leather, luggage leather, and belt leather (many netizens often say that belt leather is belt leather) ), mat leather, etc.

With the development of modern industrial technology and people's in-depth understanding of the concept of environmental protection, international leather standards have become more and more stringent in terms of environmental protection. In this context, vegetable tanned leather has become one of the main materials used in fashion products in the field of leather goods.