Leather residues are recycled to the extent where it is possible.

AZO dyes:
The leather Fritz Hansen uses do not contain the banned AZO dyes that may split into aromatic amines which are suspected to be carcinogenic, mutagenic or toxic to reproduction.

Tanning:
Below is a description on three different tanning types, which are used for the leather Fritz Hansen use: Vegetable Tanned LeatherVegetable tannins are extracted from wood, bark and fruit. Vegetable tanning gives a rich, robust and compact leather. Rustic and Natural leather is vegetable tanned.

Synthetic Tanned leather:
Synthetic tanning agents are aromatic polymers. Synthetic tanning agents in most cases are not used alone, but together with chrome or vegetable tanning agents, which gives an interesting result. This is called Combinations tanning. Some of the white leather types are synthetically tanned.
Chrome Tanned Leather:
Chrome occurs naturally in the environment in rocks, soil, vegetation and volcanic material. Chromium salts can be found in food and is also an essential nutrient for the body. Fritz Hansen uses chromium 3 for chrome tanned leather which is less toxic than chrome 6. Chrome tanned leather is more durable and softer than hides tanned with other tanning agents, as chromium binds the fibers in the skin together very well. It is also easier to control the thickness of the leather, when the hides are chrome tanned. Furthermore, the chrome tanned leather does not shrink during the tanning process, which is the case for vegetable or synthetic tanned leather. Basic, Classic, Soft, Sense, Optical White and Suede are chromed tanned. Some of the white leather types are chromed tanned. Elegance leather is chromed tanned and vegetable re-tanned.

Formaldehyde:
Formaldehyde is used in the synthetic tanning process, to give a better stabilization prior to splitting and shaving. In Europe there is no general legislation specifying levels of formaldehyde in leather.

MATERIALS & MANUFACTURING PROCESSES

PROJECT ASSISTANCE

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