Sodium Meta silicate, a very corrosive compound, is precipitated by acids and alkaline earth and heavy metal ions, when heated are acidified, solutions of the compound are hydrolyzed to free sodium ions and silica acid. Comes in powder form and packed in 50 Kg H.D.P.E. Inner lining bags.
Grades of Sodium Metasilicate
- Nonahydrate (9H2O)
- Pentahydrate (5H2O)
| | 5H2O | 9H2O |
| Alkali as Na2O | 28% mm | 20% mm |
| Rate Na2O: SiO2 | 1:1+/-0.1 | 1:1 +/-0.1 |
| Appearance | White powder | White |
| Free Alkali as Na2O | 1% max | 1% max |
| Water insoluble | 5% max | 58% min |
| Loss on ignition | 44% min | 5% max |
Uses:
- Used in manufacturing heavy detergent.
- Used in making metal finishing chemicals.
- Used in ceramic industry in breaking viscosity of clay
- Used in Metals & Floor cleaning
- Used in Deinking Paper
- Used in washing carbonated drink bottles
- Used in insecticides, fungicides, microbial components
- Used as an additive in soap and synthetic detergent
- Used in laundry and Dairy
