Leather Tanning Agents

The Quebracho Colorado extracts and its derivates are worldwide known since 1900’s as natural products that allow tanners to produce a wide variety of tanned leather with a natural feel and a beautiful look. Unitán, with its two factories ISO 9001-2000 certified, has the world’s bestselling vegetable extract product line. Our vegetable extracts are environmentally- friendly and give our customers the best choice for their leather production in a natural way.

Leather Line
ATO

Crown Block / Block Extract

CROWN BLOCK solid soluble Quebracho extract has been chemically treated to transform the insolubles inherent in a natural Quebracho extract thus making it fully soluble in cold water.

Properties:
- Full cold-water dissolution.
- High tannin content.
- Quick penetration.
- Excellent tanning properties at natural ph.
- Good weight yield.

Usage:
CROWN BLOCK is recommended for tanning sole and all kind of heavy leather in pits.

Storage:
Storage in a dry, covered place with the original packaging closed is recommended.

This is orientative information which we believe correct. The supplier will not be held responsible for wrong usage.
ATG
ATS
ATD
Lightan
Tequebrac P/L
JR
CHA
CHD
VS
S-ATO
Crown Block
Sup. Block
Tara Powder

UNITAN SAICA / Paseo Colón 221 piso 10 / (C1063ACC) Buenos Aires ARGENTINA / Tel. fax: (5411) 4331 5548 / Contact: alm@unitan.net