Sodium Lignosulfonate (CAS: 8061-51-6)
Sodium lignosulfonate is a water-soluble sodium derivative of lignin, obtained as a by-product during the sulfite pulping of wood (e.g., at pulp and paper mills). Essentially, it is a mixture of sodium salts of lignosulfonic acids.
| Parameter | Specification |
|---|---|
| Appearance | Light brown powder |
| Mass fraction of dry matter, % | 96 ± 2 |
| Mass fraction of active substance (Sodium lignosulfonate or sodium salt of lignosulfonic acid), % | min. 57 |
| Ash content, % | max. 20 |
| pH, pH units | min. 4.5 |
| Content of reducing substances, % | max. 19 |
| Mass fraction of fiber, % | max. 0.5 |
| Moisture, % | 4 ± 2 |
| Solubility in water | Complete |
Minimum order volume: 250 kg.
Supplied: 25 kg bags, big bags.
Shelf life: in powder form - up to 24 months.
Applications
Sodium lignosulfonate is widely used in various industries:
Sodium lignosulfonate is widely used in various industries:
- Construction: as a plasticizer and water-reducing agent for concrete and construction mortars.
- Metallurgy: binder in briquetting and sintering of ores and charge materials.
- Oil extraction: stabilizer and dispersant in drilling fluids.
- Agriculture: component of fertilizers, soil moisture retention regulator.
- Chemical industry: stabilizer, dispersant, binder in the production of briquetted plant protection products.
- Foundry: binder for molding sand and molds, additive to anti-stick (parting) coatings.
- Cement industry and refractory production: cement plasticizer and binder.
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Russia and the CIS
Russia and the CIS
411 Vostochny Industrial Zone, Dzerzhinsk, Nizhny Novgorod Oblast, Russia
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