UMITAN NE / B pow. is a neutralizing with a particular action, formed from organic and inorganic compounds capable of forming complexes. UMITAN NE / B has an almost neutral reaction, is very soluble in hot water and contains highly active radical acids that eliminate and dabbing acid combined in complex collagen-chrome. With the use of UMITAN NE / B cannot have an excess of neutralization, as occurs with the use of normal disacidanti, however, has the advantage of not precipitate with the liquid for tanning which avoids the formation of spots of chromium , and also facilitates the dyeing and fattening. It usually starts with the de-acidifying the UMITAN NE / B and ends with the

addition of small amounts of sodium bicarbonate.