In the center of the Rock was previously Klippan leather factory which operated chrome tanning
of leather involves the use of chromium sulphate and other salts of chromium.
The tanning process can be done by using two methods; vegetable tanning and chrome tanning
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.
, 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.
The factory ran chrome tanning
and activities have contaminated the land under and adjacent former factory buildings.