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Physical and chemical data:
| Properties and test methods | Unit | Typical Value | Standardization |
| Specific surface area (BET) | m2/g | 300 ± 25 | GB/T 20020 |
| pH value (in 4% dispersion) | 3.6 ~ 4.5 | GB/T 20020 | |
| Loss on drying (2 hours at 105 °C) | Wt% | ≤ 1.5 | GB/T 20020 |
| Loss on ignition (2 hours at 1000 °C,based on material dried for 2 hours at 105 °C) | Wt% | ≤ 2.5 | GB/T 20020 |
| Sieve residue (45 μm) | mg/kg | ≤ 250 | GB/T 20020 |
| Silica content (based on ignited material) | Wt% | ≥ 99.8 | GB/T 20020 |
| Tamped density (based on material dried for 2 hours at 105 °C) | g/dm³ | 40 ~ 60 | GB/T 20020 |
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Main Product:
Fumed Silica,
Silane Coupling Agent,
Silica Aerogel ,
Silica Matting Agent,
Speciality Silicones,
Titanium Dioxide
