The core element is a shift from the international chrome value chain to centralization in South Africa, where chrome ore is processed into the intermediate sodium dichromate and ultimately to chrome specialties, predominantly chrome tanning salts for use in tanneries worldwide.
LANXESS is the only supplier of leather chemicals that is active in both: organic leather chemicals and chrome tanning salts.
of leather involves the use of chromium sulphate and other salts of chromium.
Environmental Protection Agency details two types of leather tanning: vegetable tanning, which is the oldest tanning process, and chrome tanning
, which makes up 90% of tanning production in the U.
More esoteric colors are possible using chrome tanning
, the process most common today based on the use of chrome salts and requiring only a few hours.
5) Eco-friendly and foot-friendly, Terra Plana's Doll ($165) gets its deep color tone and buttery texture from vegetable-based dyes rather than the traditional toxic chrome tanning
(including unhairing, decliming, pickling, tanning, retanning, dyeing, and lubricating) can be done in a day; vegetable tanning can take weeks.
the leather obtained from chrome tanning
is more pliable.
This Waterless chrome tanning
technology is a first of its kind technology to reduce chromium pollution load.
In the center of the Rock was previously Klippan leather factory which operated chrome tanning
The factory ran chrome tanning
and activities have contaminated the land under and adjacent former factory buildings.