Product Description:
Product Name: Sodium Metasilicate Pentahydrate
H.S CODE: 28391100
CAS No.: 10213-79-3
EINECS No.: 229-912-9
UN Number: 3253
Formula: Na2SiO3·5H2O
Product Characteristics:
Sodium metasilicate pentahydrate is an inorganic white powder or crystalline granules,non-toxic, tasteless and environment-safe. It is easy soluble in water, insoluble in alcohol or in acid producing an alkaline solution, very hygroscopic when reacting with dioxide carbon and water from the air. It has the capabilities of removing scale, emulsifying, dispersing, wetting, penetrating, and also has the capability of buffering pH value.
Product Technical Data:
| Item | Index |
| Appearance | Colorless，translucent，crystal granules |
| Na2O% | 28.0-30.5 |
| SiO2% | 27.0-29.0 |
| Loss on ignition（600℃）% | 43.0±1.0 |
| PH(1% water solution) | 12.5±1.0 |
| Bulk density g/ml | 1.0±0.1 |
| Water insoluble % ≤ | 0 |
| Whiteness%≥ | 90 |
| Appearance of solution in 5% water（21℃） | Clear |
| Fe(ppm)≤ | 100 |
| Particle size （0.5-1.4mm）%≥ | 90 |
Product Application:
Dairy cleaning, Laundry operations, Detergent formulations, Metal cleaning, Dishwashing compounds, Paper mill, Car wash, Industrial cleaners, Concrete cleaning,concrete, refractories, oil and leather processing, etc.