Dicyandiamide resin filling agent.
CORETAN R3 is a retanning powder based on amino-resins that allows good filling action.
The product has been studied for the retanning of all kinds of chrome-tanned skins.
CORETAN R3 improves the fullness, particularly in the loose parts of the skins, the buffing and the embossing properties.
Leathers retanned with CORETAN R3 show a very tight grain with a round feel and can be easily finished.
CORETAN R3 is suitable both for full and corrected grain and it is generally added in powder to the drum in varying amounts from 3 % to 5 %.