Introduction of performance and application of pickling aid TJ-A3669

The pickling aid TJ-A3669 is a non-swelling acid. The product has good pre-cracking and buffering capacity, and can be used in place of salt in pickling acid to achieve salt-free or salt-less acid pickling. Low astringency and good dispersibility, which makes the chrome tanning agent penetrate and evenly distribute well, promote the better combination of chrome tanning agent and skin fiber, increase the chromium content in the skin, reduce the amount of chrome tanning agent, and reduce the amount of chrome tanning agent. The content of Cr2O3 in the chrome tanning waste liquid reduces the pollution to the environment.

 

After applying TJ-A3669, the blue skin is full, the grain is firm and delicate, the neck pattern is fine, the color is bright, and the shrinking temperature is high. Recommended dosage: 1.0~4.0% (based on the weight of gray).