Introduction
The spherical silica is produced by silica being belted in a very high-temperature flame.
Spherical Silica has characteristics of high purity, good fluidity, low thermal stress etc.
Sizes: as per customer request
Packing: as per customer request
Typical Physical Data
Items | Unit | Typical value | Test Method | |
Sieve method | +75μm | % | 0.0068 | Wet Sieving |
Laser method | D10 | μm | 2.99 | Laser Analyzer |
D50 | μm | 25.35 | ||
D90 | μm | 59.65 | ||
Specific Surface Area | m2/g | 2.0 | Nitrogen Adsorption Method | |
Typical Chemical Data
Test Items | Unit | Typical value | Test Method | |
Chemical Composition | SiO2 | % | 99.85 | Weight Method |
Fe2O3 | ppm | 60 | Spectrophotometer | |
Moisture | % | 0.03 | Weight Method | |
Extraction Water | Ec | μS/cm | 1.7 | Conductivity Meter |
Na+ | ppm | 0.5 | Atomic Absorption Spectrometer | |
Cl- | ppm | 1.3 | Auto Electric Potential Titrator | |
pH | / | 5.2 | PH Meter | |
