Introduction:
Appearance: Dark brown liquid
Main use: For salt-free or low-salt pickling of all kinds of leather.
Usage and dosage:
Low-salt pickling: 1.0-2.0% (add salt to adjust Baume ≥4 first)
Salt-free pickling: 1.2-2.0% (add with sodium formate)
Performance characteristics:
1. It has good pre-tanning and buffering capacity, reduces the amount of salt, and achieves low-salt or salt-free pickling.
2. Extremely low astringency and good dispersibility, ensuring good penetration and uniform distribution of chrome tanning agent.
3. Promote better combination of chrome tanning agent and collagen fiber, reduce the amount of chrome tanning agent, and reduce the residual Cr2O3 in tanning waste liquid.
4. The grain surface of wet blue leather obtained by tanning is clear and the color is bright.
