sodium metasilicate
Properties:
1.Chemical Formula: Na2SiO3 ; Melting Point: 1088°C; Density:2.4g/cm³
2.Made by silica sand and soda ash.
3.Mainly divided into Anhydrous,Pentahydrate,Nonahydrate.
3.Soluble in water,Insoluble in and acid, alkali in aqueous solution. In the air easyly moistured,
Specification:
Na2SiO3 9H2O
ITEM | Testing result |
Sodium oxide(Na2O)% | 20.0-22.0 |
Silica(SiO2)% | 19.0-22.0 |
Water insoluble% | ≤0.30 |
Iron(Fe)% | ≤0.05 |
Whiteness | ≥70 |
Na2SiO3 5H2O
ITEM | NATIONAL QUALITY INDEX |
Sodium oxide(Na2O)% | 28.50—30.00 |
Silica(SiO2)% | 27.30—29.20 |
Water insoluble% | ≤0.2 |
Iron(Fe)% | ≤0.03 |
Whiteness | ≥75 |
PH(1%SOLUTION) | 12.5±1.0% |
Na2SiO3
ITEM | Testing result |
Sodium oxide(Na2O)% | 50.0-52.0 |
Silica(SiO2)% | ≥45.0 |
Water insoluble% | ≤0.25 |
Iron(Fe)% | ≤0.03 |
Whiteness | ≥75 |
Principle applications
1. Drilling
2. Textile process
3. Dairy cleaning
4. Floor cleaning
5. Detergent formulations
6. Laundry operations
7. Dishwashing compounds
8. Metal cleaning
9. Industrial cleaners
10. Soil stabilization
Packing
25kg/bag, inside is plastic bag, outside is poly-woven bag or as per your requirement.