Position：SS-D series
Spherical Silica Powder SS-D-20
Product Parameter：
Product Description：
Characteristic
1． Spherical silica is kind of silica which has a spherical particles.
2． Spherical silica has characters of high purity, low specific surface, good fluidity, low thermal stress etc.
Parameters Table： Typical Physical Data
Typical Chemical Data
Above specification are for common uses,and can be adjusted upon user’s request.
Application： Applications
It is widely used in the fields of EMC, high-tech electronic materials, high grade paints, etc.
1． Spherical silica is kind of silica which has a spherical particles.
2． Spherical silica has characters of high purity, low specific surface, good fluidity, low thermal stress etc.
Parameters Table： Typical Physical Data
| Items | Unit | Typical value | Test Method | |
| Wet Sieve | 150um ON | % | 0 | Standard Sieve |
| +75um ON | % | 0.0064 | ||
| Laser method | D50 | µm | 20.0 | Laser Analyzer |
| S.S.A. | m2/g | 2.6 | Nitrogen Adsorption Method | |
Typical Chemical Data
| Items | Unit | Typical value | Test Method | |
| Chemical Composition | SiO2 | % | 99.75 | Weight Method |
| Fe2O3 | ppm | 80 | Spectrophotometer | |
| Moisture | % | 0.03 | Weight Method | |
| Extraction Water | Ec | µs∕cm | 2.9 | Conductivity Meter |
| Na+ | ppm | 1.6 | AAS | |
| Cl- | ppm | 1.8 | Automatic Potential Titrator | |
| pH | — | 5.2 | PH Meter | |
Application： Applications
It is widely used in the fields of EMC, high-tech electronic materials, high grade paints, etc.