General characteristics: Neutralising synthetic based on naphthalene-sulphonic and buffering salt
Chemical nature
|
pH in 10% solution |
7,5- 8,5 |
|
Light fastness |
Good |
| Solubility in water |
Easily soluble |
| Charge |
Anionic |
| Appearance |
Beige powder |
| Fields of use |
Shoe upper articles |
Properties
SINTAN NT is a neutralising synthetic with a good buffering effect.
SINTAN NT on chrome leather in shoe upper articles gives a compact neutralisation , it complex the acidity of chrome and other mineral tanning agent.
In combination with sodium formate and sodium bicarbonate to obtain a good neutralization with out destroy the fibre of leather.
SINTAN NT improve the penetration of retanning and dyeing process , therefore we obtain a uniform colour.
