Procedure for curtido of skins and leather. (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for the tanning of hides and skins, characterized in that the skins and hides are tanned with a combination of zirconium, aluminum and chromium salts, the proportion of these metal salts being increased, expressed in metal oxide ZrO2: Al2O3: Cr2O3 at 100: 5 to 50: 2 to 30 parts by weight, preferably at 100: 10 to 20: 3 to 8 parts by weight. (Machine-translation by Google Translate, not legally binding)