Ads
related to: vegetable vs chrome tanned leather
Search results
Results From The WOW.Com Content Network
The use of vegetable tanning is a process that takes longer than mineral tanning when converting rawhides into leather. Mineral tanned leather is used principally for shoes, car seats, and upholstery in homes (sofas, etc.). Vegetable tanned leather is used in leather crafting and in making small leather items, such as wallets, handbags and clothes.
Latigo leather is cowhide leather that is combination tanned. First it is chrome tanned, then it is vegetable tanned. [1] [2]: 11 Before modern combination tanning, latigo had been combination tanned with alum and gambier. [3] Latigo is usually infused with oils and waxes.
Chrome-tanned leather is tanned using chromium sulfate and other chromium salts. It is also known as "wet blue" for the pale blue color of the undyed leather. The chrome tanning method usually takes approximately one day to complete, making it best suited for large-scale industrial use. This is the most common method in modern use.
This basification process fixes the tanning material to the leather, and the more tanning material fixed, the higher the hydrothermal stability and increased shrinkage temperature resistance of the leather. The pH of the leather when chrome tanned would typically finish somewhere between 3.8 and 4.2. [6]
Chromium tanning is the most popular tanning method as 90% of all leather in the world is processed this way. [13] Alligator hide is also tanned using the Chromium process. [ 14 ] A reason many tanneries choose to use chromium is due to the final leather product being more durable and stretchy, ideal for leather accessories and garments.
Since 2006 Veja has used vegetable-tanned leather. Vegetable-tanned leather is a chrome-free leather tanned with organic compounds only. Leather is usually tanned using heavy metals, like chrome, which generate high levels of pollution in the waters close to tanneries.