Multifunctional Chromium-Aluminum Tanning Liquid

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Cat No.

CEGZ-6339

Description

A cationic multifunctional tanning liquid combining chromium- and aluminum-based inorganic tanning components with an additional tanning component.

Applications

Can be used for pre-tanning of heavy leather and for main tanning or retanning of light leather.

Appearance

Brown-black liquid.

Package

60 kg plastic drum.

Product Overview

The product combines plant-tanning and inorganic-tanning characteristics, with good penetration and binding. It provides filling, thickening, and shrinkage effects and promotes the absorption and fixation of anionic fatliquors and dyes, producing full, soft leather with fine grain, good elasticity, and deep coloration.

Form

Liquid

Composition

Basic chromium sulfate, aluminum sulfate, and an additional tanning component.

Storage

Store in a cool, dry place. Shelf life: 1 year.

Warnings

Do not use carbonate materials as basifying agents. Avoid contact with iron, and do not allow the pH to exceed 4.5.

Shipping Conditions

Non-hazardous; may be transported as general cargo.

Quality

Chromium oxide (Cr2O3): 5-6%.
Cr6+ content: ≤2.0 mg/kg.
Solids: 30 ± 2%.
pH (10% solution): 2.0-3.0.
Charge: cationic.

Usage

Main tanning: typically 6-8% based on pelt weight. Retanning: typically 3% based on shaved wet-blue weight.

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Project Description:

For research and industrial use only. Not intended for personal medicinal use. Certain food-grade products are suitable for formulation development in food and related applications.

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