Retanning Agent


Amino Resin Tanning Agent

DOWELLTAN ST62 is dicyandiamide resin retanning agent.

Chemical & Physical Data:   

Appearance:              Light brown powder

Solid Content/% :      ≥93.0

pH (10%):                 7.0~9.0


lDOWELLTAN ST62 has an outstanding filling effect.

lDOWELLTAN ST62 is a resin tanning agent with a selective filling effect, especially on loose parts like bellies which is used in any type of leather.

lDOWELLTAN ST62 can be used alone or in combination with synthetic and / or vegetable retanning agents.

lDOWELLTAN ST62 has low astringency, imparts good elasticity and tightness with a fine and smooth grain.

lDOWELLTAN ST62 imparts uniform dyeing and good aging resistance.

lDOWELLTAN ST62 imparts very good buffing and embossing property.


lIn general, DOWELLTAN ST62 is applied in the retanning step either before or after neutralization.

lSuggested dosage: 2-6 % (based on shaved weight).


This product has no dangerous information. If splashed into eyes,immediately wash with plenty of water. 


20kg kraft paper bag


       1 year storage in sealed original package at 5-35℃.Bags should be tightly resealed each time after material is taken and their contents should be used up as soon as possible after they have been opened. Direct contact with this product may irritate skin and mucous membrane, rinse with running water if contacted with skin. Non-dangerous chemical.