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|
|
|
Colloidal Silica
|
 |
| Grade |
15% |
21% |
30% (small) |
40% |
|
|
|
|
|
| SiO2Wt %(Min.) |
15 |
21 |
30 |
40 |
|
|
|
|
|
| Average Particle size nm |
4 |
10-20 |
10 |
14 |
|
|
|
|
|
| Na2O Wt % |
0.83 |
0.5 |
0.55 |
0.50 |
|
|
|
|
|
| pH |
9.5-10 |
9.5-10 |
9.5-10 |
9.5-10 |
|
|
|
|
|
| Density g/cm³ |
1.10-1.12 |
1.12-1.14 |
1.2-1.24 |
1.28-1.35 |
|
|
|
|
|
| Viscosity mPas (less than) |
5 |
10 |
8 |
16 |
|
|
|
|
|
- Semi Conductor Ind.
- Foundry
- Textile
- Paper
- Contruction Ind.
- Investment Casting
- Refrectory
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|
