Retanning Agent


DOWELLTAN TB67 is a mixed vegetable protein filler.

Chemical & Physical Data:

Appearance:         Beige to light yellow powder

pH(1%):             6.0~8.0


lDOWELLTAN TB67 has good selective filling property and grain surface flatness.

lDOWELLTAN TB67 can improve the tightening of grain surface and the buffing of leather performance.

lIt can be used in the same bath as retanning agent and fatliquoring agent, and not affect the penetration and absorption of other materials.

lIt is suitable for making white or light-colored leather, and will not affect the color of leather.


lIt is recommended to use it before retanning or 20 minutes before fatliquoring or at the same time with fatliquoring agent.

lThe recommended dosage is 2%-5% (based on the weight of shaved blue skin).


15KG plastic woven bag


Sealed storage at 5-35℃ requires a clean and dry storage environment, which can be stored for one year in the sealed original packaging. After each use, the package should be closed again. Once the package is opened, the products in the package should be used up as soon as possible. Non-hazardous chemicals.