Introduction:
Appearance: yellow-brown liquid
Main use: suitable for retanning of all kinds of chrome-tanned leather and wet-white leather; used in the production of nubuck leather, with very excellent effect.
Performance characteristics:
1. Excellent tanning property, can give leather good fullness and elasticity.
2. Insensitive to pH, widely used. Used alone, it can produce full white leather; retanning chrome-tanned leather or chrome-free tanned leather can produce full and soft white leather with fine grain, firm, smooth and elastic grain.
3. The retanned crust leather has uniform and fine fuzz, so it is suitable for the production of nubuck leather and corrected leather.
Usage and dosage:
General dosage for retanning: 3.0-9.0%
Retanning of chrome-tanned white leather: 9.0-18.0%
Retanning of wet-white leather: 9.0-18.0%
Combined with vegetable tanning agent for retanning of chrome-tanned leather: 1.5-4.5%