- Grades
- BET surface area[m2/g]
- Loss on drying[%]
- pH value
- 150±25
- ≤1.5
- 3.6~4.5
- 200±25
- ≤1.5
- 3.6~4.5
- 300±25
- ≤1.5
- 3.6~4.5
- 380±30
- ≤1.5
- 3.6~4.5
- 160±20
- ≤0.5
- 6.5~8.0
- 160±20
- ≤0.5
- 6.5~8.0
- 190±20
- ≤0.5
- 4.0~7.0
- 100±20
- ≤0.5
- 4.0~7.0
- 110±20
- ≤0.5
- 3.8~5.0
- 170±20
- ≤0.5
- 3.8~5.0
- 180±20
- ≤0.5
- 5.5~7.5
- 260±30
- ≤0.5
- 5.5~7.8