Introduction:
Appearance: light brown powder
Main use: used to disperse tannins and dyes.
Usage and dosage:
Retanning of chrome-tanned leather: 3.0-8.0%
Retanning of chrome-free tanned leather: 3.0-6.0%
Supplementary filling after fatliquoring: 2.0-5.0%
Performance characteristics:
1. It has strong filling and selective filling properties, especially for the loose parts of the edges, but it will not make the leather hard.
2. It can partially or completely replace melamine or dicyandiamide for environmentally friendly leather.
3. It has good light resistance, especially suitable for the production of light-colored leather.
