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Lignosulphonate technical liquid - SÒÎ 43508418-022-2010, TU 13-0281036-029-94, TU 2455-064-05711131-03 grades “A”, “B” “E”

Lignosulphonate technical powder - SÒÎ 43508418-027-2009, TU 2455-031-46289715-2000

Physical-chemical characteristics :
Lignosulphonate technical is produced in liquid and powder condition. It is a lignin-sulphonic acid sodium salt that includes impurities of reducing and mineral substances , is freely soluble in water forming neutral or weak acid liquor .
|
Liquid grade «À» |
Liquid grade «Å» |
Powder |
Appearance |
Homogeneous thick liquid |
Homogeneous thick liquid |
Farinaceous powder |
Color |
Dark-Brown |
Dark-Brown |
Brown Dark-Brown |
Mass fraction of dry substances, % min |
47 |
48 |
92-96 |
Ìàss fraction of sulphur, % |
2,5-4,0 |
2,5-4,0 |
- |
Ìàss fraction of reducing substances, % max |
- |
- |
7 |
Ash content, % max |
18 |
31 |
25 |
Concentration of hydrogen ions, ðÍ min |
4,4 |
7 |
4,5 |
Tensile strength of dried samples by stretching, MPa (kg/cm2) min |
0,60 |
0,60 |
0,69 (7,0) |
Moisture, % max |
- |
- |
4,0 |
Mass density, kg/m3 min |
1230 |
1270 |
- |
Viscosity, ñ |
50-320 |
80 |
- |
Packing and transportation : liquid lignosulphonate can be delivered in tank-containers and flexitanks by railway and sea; powder lignosulphonate is packed in 500-1000kg big-bags and can be delivered in 20” , 40” containers by railway and sea.
Storage conditions:
Indoor area of covered warehouse , avoiding product moistening.
Range of application:
Cement industry and refractory industry: as an plasticizing agent of cement and concrete , as a slurry thinner to decrease a moisture content;
Metallurgy and foundry: as a binding agent in a molding and core sand mixture production; as a flotation agent; as a binding agent in a briquette production; as a foaming agent in an acid dipping of metal products;
Building materials production: as a reinforcing agent in pressed fiber board production; as a plasticizing agent in gypsum board production, dry construction mixtures production; as a binding agent in powder fill material and technical carbon granulation;
Mining industry: as a flotation agent in a process of raw materials flotation; as a corrective additive in an expanded clay aggregate processing ;
Chemical industry: as a dispersing agent and suspension stabilizer in a crop protecting agents and fertilizers production;
Oil producing and refining industry: as a chemical agent in drilling mud etc.
Liquid and powder batching:
Liquid lignosulphonate can be prepared from the powder one by mechanical mixing of powder and 20-70 Celsius degree water according as follows:
Powder dosage |
Kg |
10 |
115 |
120 |
Water dosage |
Litre |
100 |
100 |
100 |
Content of dry substances in a prepared liquid |
% |
50,0 - 50,5 |
51,0 - 51,5 |
52,0 - 52,5 |
Viscosity |
Ñ |
65 |
90 |
240 |