An auxiliary syntan for dye levelling, neutralization, retanning and for the dispersion of vegetable tannis.
Auxiliary dye levelling syntan based on naphthalene sulphonic acid condensate
- Being anionic in nature, it reduces the rate of uptake of anionic dyes leading to outstanding levelness and helps to penetrate anionic product such as syntans, fatliquors and vegetable tans.
- With its dispersinq action, it promotes an even distribution of tanning agents and in combination with syntans and or vegetable tannis, it is helpful retannage.
- It neutralises the mineral tanned leathers due to its anionic character and neutral pH
- Acting as a mordant for basic dyes.
Levelling Agent for uniform dyeing : 0.5 to 2 %
Neutralization : 1.5 to 2.5 %
Retanning: After neutralization 2-3% (on shaved weight) along with other
syntans and vegetable tannis for retanning of leathers.
Dispersing agent for vegetable tannis : - 2 to 3 %