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Commercial Scale
Classification |
Description |
Remarks |
Structural formula |
X SiO2 Y H2O |
|
Form |
Colloid |
Nanosize silica dispersed in water |
Silica Content (wt%) |
< 30 |
|
Average particle size(§¬) |
10 ~ 30 |
TEM analysis |
Appearance |
Opalescent liquid with a slight-to- moderate bluish cast. |
|
|
|
NANOS-30S |
NANOS-AS30 |
NANOS-K |
NANOS-AM |
| SiO2 , wt% |
30 |
25 |
20 |
20 |
| Na2O, wt% |
<0.4 |
<0.05 |
<0.05 |
<0.05 |
| Particle Chage |
negative |
positive |
negative |
negative |
| pH |
9.7 |
4.0 |
9.8 |
9.5 |
| Particle diameter, § |
15§¬ |
25§¬ |
15§¬ |
15§¬ |
| Specific Surface Area, §³/g |
200 |
150 |
200 |
200 |
* High Temperature Binder
- Investment Casting of Metals
- Refractory Fibrous Cements
* Catalysts.
* Textiles.
* Silicon Wafer Polishing.
* Coating and Adhesives.
* Ceramic Paint Binder.
