Četina
Spolostan 3L
Identification
| Chemical description | Sodium salt of low-molecular condensate of naphthalenesulfonic acid with formaldehyde |
| INCI name | Sodium Polynaphthalenesulfonate |
| EC name | Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt |
| CAS # | 9084-06-4 |
| EC # | - |
Spolostan 3L 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 3L 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 3L 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
| appearance at 20°C | dark brown liquid |
| density at 20°C, g/cm3, c. | 1.19 |
| active matter, % wt., min. | 34.0 |
| sodium sulfate, % wt., max. | 2.5 |
| pH, 3% aqueous solution | 6.5 - 8.0 |
Application areas
| Dyes and pigments Leather industry Paints coatings Paper industry Printing industry Agriculture |
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