Technical powdered lignosulfonates (CAS: 8061-51-6)

Technical powdered lignosulfonate (LSTP) is a mixture of lignosulfonic acid salts obtained as a by-product of the sulfite pulping process. It is a free-flowing, flour-like powder ranging in color from light yellow to brown.
buy sodium lignosulfonate
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: 600 kg.
Supplied in 600 kg big bags.
Guaranteed shelf life: 12 months from the date of manufacture.
Applications

Technical powdered lignosulfonates are 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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