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