Its composition of organic acids and masking products makes the UMITAN AC/CT possesses outstanding qualities buffering and consequently acts in a manner not aggressive on the pelt. Decalcining the skins with the UMITAN AC/CT will have the following advantages: after the addition of UMITAN AC/CT in the bath

of decalcination, the pH is not lowered abruptly, and thus avoid a swelling of the flower and consequent damage on the finished leather that often may be encountered with the use of normal decalcining. UMITAN AC/CT is practically colorless and therefore can be used for the processing of leather white or light color. It can be seen then, at the end of the maceration, that the pelts treated with UMITAN AC/CT remained completely clear. UMITAN AC / CT by a masking effect that allows to obtain a finished leather with a flower firmer; features appreciated by those tanneries that produce grain.