Retanning Agent


DOWELLTAN CRS09


Metal-free, aliphatic aldehyde pre-tanning and retanning agent

Chemical & Physical Data:

Appearance:       Colorless to yellowish liquid

pH(10%)          3.5~4.0

Charge:    Nonionic


Properties:

lDOWELLTAN CRS09 can be used as a pre-tanning agent for chrome-free tanning. The pre-tanned leather has good heat resistance and can withstand flaking and paring.

lThe properties of leather depend on the tanning process after pre-tanning: chrome tanning, vegetable tanning or synthetic tannin tanning.

lDOWELLTAN CRS09 is suitable for degreasing sheep leather before chrome tanning. The pre-tanned leather can be degreased at high temperature, which greatly improves the degreasing effect.

lWhen used for retanning, DOWELLTAN CRS09 can improve the sweat resistance and heat resistance of leather.


Application:

lIt is advisable to use 1.5-4% DOWELLTAN CRS09 in pre-tanning (based on pelt weight).

lIt is advisable to use 1-3% DOWELLTAN CRS09 in retanning (based on shaved weight).


Packing:

       120L plastic drum


Storage: 

 1 year storage in sealed original package at 5-35℃. Avoid long-time exposure in the sunlight or freezing environment. Drums 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-dangerouschemical.