Hydrophobic Fumed Silica
HB-151
Characteristic
FM-H-B151 is hydrophobic fumed silica which is produced by hydrophilic fumed silica with specific surface area of 150m²/g after chemica post-treatment with DDS (Dimethyldichlorosilane).
Physical and Chemical Data (Standard: GB/T 20020)
| Test Item | Unit | Typical Value |
| Specific Surface Area(BET) | m²/g | 120±30 |
| Carbon Content(Based on material dried at 105℃ for 2 hours) | % | 0.6~1.2 |
| pH value in 4% dispersion | -- | ≥ 3.7 |
| Loss on drying( 2 hours at 105℃) | % | ≤ 0.7 |
| Loss on ignition (2 hours at 1000℃, based on material dried for 2 hours at 105℃) | % | ≤ 2.5 |
| Tamped Density (Based on material dried at 105℃ for 2 hours) | g/L | 40~60 |
| Silica Content (Based on ignited material) | % | ≥ 99.8 |
Hydrophobic Fumed Silica
HB-151
Characteristic
FM-H-B151 is hydrophobic fumed silica which is produced by hydrophilic fumed silica with specific surface area of 150m²/g after chemica post-treatment with DDS (Dimethyldichlorosilane).
Physical and Chemical Data (Standard: GB/T 20020)
| Test Item | Unit | Typical Value |
| Specific Surface Area(BET) | m²/g | 120±30 |
| Carbon Content(Based on material dried at 105℃ for 2 hours) | % | 0.6~1.2 |
| pH value in 4% dispersion | -- | ≥ 3.7 |
| Loss on drying( 2 hours at 105℃) | % | ≤ 0.7 |
| Loss on ignition (2 hours at 1000℃, based on material dried for 2 hours at 105℃) | % | ≤ 2.5 |
| Tamped Density (Based on material dried at 105℃ for 2 hours) | g/L | 40~60 |
| Silica Content (Based on ignited material) | % | ≥ 99.8 |