Retanning Agent


Silicon tanning agent

Chemical & Physical Data:

Appearance:    White powder

pH(1%):            3.5~5.5


lDOWELLTAN SAT02 does not contain chromium, heavy metals and aldehydes. DOWELLTAN SAT02 is environmentally friendly.

lDOWELLTAN SAT02 can be used in the main tanning process, and has excellent mechanical processing properties such as shaving.

lDOWELLTAN SAT02 can also be used in retanning process and the color of the leather is bright and full.

lThe sludge from the tanning wastewater treatment of DOWELLTAN SAT02 and the leather shavings after operations such as shaving are not hazardous wastes.

lThe tanning process of DOWELLTAN SAT02 is easy to operate. The wet white leather has good whiteness and tightness.


lWhen used in leather tanning process, the recommended dosage is 6-8%, based on the weight of limed hide.

lBefore adding DOWELLTAN SAT02, the pH of bath should be controlled to about 2.0, which is beneficial to the penetration of tanning agent.


20KG plastic woven bag


This product has s shelf life of 1 year if it is stored in its tightly sealed original packaging at temperature below 5℃ to 35℃. Bags should be tightly resealed each time after material is taken from them, and their contents should be used up as soon as possible after they have been opened. Non-dangerous chemical.