Position：SS-D series
Spherical Silica Powder SS-D-7
Product Parameter：
Product Description：
Characteristic
1. The spherical silica is produced by silica being belted in very high temperature flame.
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. The spherical silica is produced by silica being belted in very high temperature flame.
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 | |
| Sieve Method | +25µm | % | 0.0008 | Wet Sieving |
| Laser method | D50 | µm | 7.0 | Laser Analyzer |
| D100 | µm | 21.2 | ||
| S.S.A. | m2/g | 1.4 | Nitrogen Adsorption Method | |
Typical Chemical Data
| Items | Unit | Typical value | Test Method | |
| Chemical Composition | SiO2 | % | 99.8 | Weight Method |
| Fe2O3 | ppm | 60 | Spectrophotometer | |
| Moisture | % | 0.03 | Weight Method | |
| Extraction Water | Ec | µs∕cm | 2.1 | Conductivity Meter |
| Na+ | ppm | 0.7 | AAS | |
| Cl- | ppm | 2.0 | 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.