SODIUM SILICATE
1. Molecular Formula: Na2O.nSiO2
CAS: 1344-09-8;106985-35-7
2. Sodium silicate solid
1)Appearance: light blue or colorless lump
2)Specification:
| M |
3.1-3.4 |
3.1-3.4 |
2.2-2.5 |
2.2-2.5 |
| Iron |
0.03% Max. |
0.05% Max. |
0.03% Max. |
0.05% Max. |
| Solid Content |
98% Min. |
98% Min. |
98% Min. |
98% Min. |
3)Usage:
Mainly used as silica gel, silicone aluminum glue, zeolite, molecular sieve, white carbon black, adsorbent and other production of the main raw materials.
3.Sodium silicate liquid
1)Appearance: Colorless or slightly colored, transparent or translucent viscous liquid
2)Specification:
| M |
2.2-2.5 |
2.2-2.5 |
| Specific gravity (20ºC ),Be |
50-52 |
39-41 |
| SiO2 |
29.2% Min. |
22.1% Min. |
| Na2O |
12.8% Min. |
9.5% Min. |
| Iron |
0.05% MAX |
0.02% Max. |
0.05% MAX |
0.02% Max. |
| Water insoluble matter |
0.8% Max. |
0.2% Max. |
0.4% Max. |
0.2% Max. |
| M |
3.1-3.4 |
| Specific gravity (20ºC ),Be |
39-41 |
| SiO2 |
26% Min. |
| Na2O |
8.2% Min. |
| Iron |
0.05% Max. |
0.02% Max. |
| Water insoluble matter |
0.4% Max. |
0.2% Max. |
3)Usage
Mainly used in paper, soap industry, construction industry, precision casting, anti-corrosion materials, textile industry, mineral flotation.
4.Soluble sodium silicate
1)Appearance: is a cold-resistant, uniform, white powdery materials, can quickly dissolve in water, is a cold resistance, uniformity, use, transport, storage is extremely convenient and other characteristics of the special bubble flower alkali.
2)Specification:
| M |
2-2.0 |
2.3-2.5 |
2.8-3 |
3.1-3.4 |
| SiO2 |
49-53% |
52-56% |
57-61% |
59-63% |
| Na2O |
24-27% |
22-25% |
20-23% |
18-21% |
| Dissolution rate |
90 S Max. |
90 S Max. |
180 S Max. |
240 S Max. |
| Apparent density |
0.5-0.8 g/ml |
0.5-0.8 g/ml |
0.5-0.8 g/ml |
0.5-0.8 g/ml |
| Fineness (100 mesh sieve residue) |
5 Max. |
5 Max. |
5 Max. |
5 Max. |
3)Usage:Mainly used as kiln injection materials, castable, acid-resistant clay and other unshaped refractories Binder; foundry industry, ceramic industry, coating industry and insulation materials adhesives; thickener in the oil production industry. It can also be used as activator for fly ash cement, a quick-drying agent and booster for ordinary cement, and as a detergent in synthetic detergents.
5.Packing: in 25kg plastic woven bag lined with plastic woven bag or 1200kg jumbo bag
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