Spolostan 3G

Identification

Product series

INCI name

Sodium Polynaphthalenesulfonate

Chemical description

Sodium salt of low-molecular condensate of naphthalenesulfonic acid with formaldehyde

Chemical composition

CAS

9084-06-4

EC name

Spolostan 3G is an efficient dispersing agent intended for use in dyes and pigments, leather industry, paints and coatings, printing, paper industry and agriculture. It is applied especially as an additive in dye liquors.

Within the dyeing process Spolostan 3G prevents from creation of dye agglomerates, thus enhancing penetration of the dye into material, providing for uniform dyeing and promoting colour fastness.

In leather industry Spolostan 3G performs the function of bleaching and levelling agent in leather tanning processes. It is also a higly efficient dispersing agent for grinding of pigments and printing inks.

Physical and chemical properties

active matter, % wt., min.
89
pH, 1% aqueous solution
6,5 - 8,0
sodium sulfate, % wt., max.
6
appearance at 20°C
yellow-brown dust-free powder
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