Introduction:
Appearance: white crystalline powder
Main use:
It is a multifunctional auxiliary agent without ammonia nitrogen, suitable for all processes of leather making.
Usage and dosage:
Lime soaking, re-liming: 0.3-0.5%
Chrome retanning: 1.0-2.0%
Neutralization: 1.5-2.0%
Performance characteristics:
1. It has a good dispersing effect on lime, keeps it in a good suspension state, and penetrates into the leather evenly and quickly, which can avoid the formation of fat lines.
2. It can be used when washing gray leather to prevent the formation of gray spots on the leather surface.
3. It has a good affinity for chromium salts and has a masking effect, which can reduce the content of Cr2O3 in chrome tanning waste liquid.
4. It has a good buffering effect and can be used in the neutralization process.