Leather and Tanning

These products cover the beamhouse, tanning, retanning and finishing stages of leather production.

Vegetable tannins

• Chestnut extract in unsulfited and sulfited grades, quebracho extract, mimosa extract and tara extract in pure and retanning grades.

Mineral tanning and pickling

• Basic chromium sulfate in the Tank Krom AB and SB grades for chrome tanning, with sodium dichromate as a chromium chemical raw material.
• Formic acid 40% and 85%, sodium formate, sodium acetate, sodium bisulfate and refined sodium sulfate for pickling, basification and float control.

Beamhouse and auxiliaries

• Sodium hydrosulfide as a sulfur source for unhairing, sodium metabisulfite grades, oxalic acid for bleaching and stain removal and formaldehyde solution 37%.
• Glyoxal 40% as a tanning crosslinker and technical soy lecithin as a lubricant for the leather industry.