Grade | Fusil 615 | Fusil 215 | Fusil 620 | Fusil 630 | Fusil 135 | Fusil 220 | |||||
Form | White Power | White Power | White Power | White Power | White Power | White Power | |||||
BET surface Area m2/g | 170±20 | 110±20 | 170±20 | 230±25 | 110±15 | 120±15 | |||||
PH value | 3.7-4.5 | 3.7-4.5 | 5.5-8.0 | 5.5-8.0 | 5.5-7.5 | 5.5-7.5 | |||||
Heating loss(105℃,2h) wt% | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | |||||
Ignition loss (1000℃,2h) wt% | ≤2.5 | ≤2.5 | ≤4.0 | ≤4.0 | ≤10 | ≤10 | |||||
SiO2 content (%) | ≥99.8 | ≥99.99 | ≥99.99 | ≥99.99 | ≥99.99 | ≥99.99 | |||||
Carbon content | 0.7~1.3 | 0.6~1.2 | 1.5~2.5 | 2.5~4.0 | 4.5~6.5 | 1.0~2.0 | |||||
Bulk Density (g/l) | 40-60 | 40-60 | 40-60 | 40-60 | 40-60 | 40-60 | |||||
Surface treatment | DDS | DDS | HMDS | HMDS | silicon oil | HMDS |