Retanning Agent


DOWELLTAN AL02


Aluminium tanning agent.

Chemical & Physical Data:

Appearance:                 White to yellowish powder

Alumina content/%:       ≥15.8

pH(1%):                         2.0~4.0         


Properties:

lDOWELLTAN AL02 can be used alone or in combination with other mineral tanning agents. The leathers tanned with AL02 are white and can assure a bright colour shade.

lDOWELLTAN AL02 allows fixation of all anionic product normally used in retanning, the colour shade is brighter and the buffing performance is improved. It applied in oil tanning can improve the fur shrink temperature and the fullness of oil tanned leather. In combination with non-metallic tanning agent for chrome-free tanning, it can improve the leather shrinkage temperature and feel.


Application:

lUsed for chrome tanning, usually with 1.0-2.0% AL02 for rotation of 30 minutes, added with 4.0-6.0% of chromium powder (on fleshed weight). For fixing or fixing anionic materials, Suggested dosage is 0.5-1.0%.


Packing:

25KG plastic woven bag


Storage:

1 year storage in sealed original package at 5-35℃. Avoid long-time exposure in the sunlight or freezing environment. Bags should be tightly resealed each time after material is taken from them, and their contents should be used up as soon as possible. Non-dangerous chemical.