Position：NSS-D series
Spherical Silica Powder NSS-D-G500
Product Parameter：
Purity:SiO2>99.9% Size:D50=
Spherical Rate: >95% Appearance: White Powder
High Light: Nano grade; High purity
Spherical Rate: >95% Appearance: White Powder
High Light: Nano grade; High purity
Product Description：
Characteristic
● The submicron spherical silica is produced in very high temperature oxidation method.
● Spherical silica has characters of high purity, narrow PSD, low thermal stress etc.
Parameters Table： Typical Physical Data
Typical Chemical Data
Application：
● The submicron spherical silica is produced in very high temperature oxidation method.
● Spherical silica has characters of high purity, narrow PSD, low thermal stress etc.
Parameters Table： Typical Physical Data
| Items | Unit | Typical value | Instrument or Method | |
| Laser method | D50 | µm | 0.54 | Laser Analyzer |
| D100 | µm | 2.92 | ||
| Specific Surface Area | m2/g | 6.4 | Nitrogen Adsorption Method | |
| Magnetic material | ppm | 0.2 | Magnetic bar recovery method | |
Typical Chemical Data
| Items | Unit | Typical value | Instrument or Method | |
| Chemical Composition | SiO2 | % | 99.92 | Weight Method |
| Fe2O3 | ppm | 80 | Spectrophotometer | |
| Moisture | % | 0.04 | Weight Method | |
| Extraction Water | Ec | µs∕cm | 9.5 | Conductivity Meter |
| Na+ | ppm | 0.8 | AAS | |
| Cl- | ppm | 1.0 | Automatic Potential Titrator | |
| pH | / | 5.2 | PH Meter | |