Polycondensated phenolsulphonic acid based syntan
UNITAN PP is recommended in the retanning of different types of leathers. It can be used after the neutralisation in a new float or at the end of fatliquoring process in the same float. UNITAN PP has a good compatibility with vegetable extracts and other relevant tanning agents. UNITAN PP supplies a pronounced fullness, fine grain and doesn’t affect the colour shade of the grain.