Electronic Colloidal silica
This product can be used as polishing of electronic components, dispersant of coating of picture tube, etc.
|
Item |
Model and Standard |
|
| ES-205 | ||
|
Appearance |
Slight milky transparent to translucent liquid |
|
|
Na2O (wt%) |
≤0.2% |
|
|
SiO2 (wt%) |
20-21% |
|
|
Density (20°C,g/cm3) |
1.12-1.14 |
|
|
Impurity substance (ppm) |
Fe |
≤30 |
|
Al2O3 |
≤1000 |
|
|
Cu |
≤0.2 |
|
|
Pb |
≤1.0 |
|
|
Cr |
≤2.0 |
|
|
pH(20°C) |
8.5-9.0 |
|
|
Viscosity (20℃,mPas) |
≤10 |
|
|
Particle size (nm) |
8-15 |
|
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