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1

粒度D50(μm)

65~85

70~90

80~100

2

表觀密度ABD,g/ml

0.7~0.95

0.75~1.0

0.8~1.05

3

Al₂O₃(wt%)

≥95

≥95

≥95

4

磨耗率(%)

≤3.2

≤3.0

≤2.5

5

孔體積(ml/g)

≥0.35

≥0.35

≥0.35

6

比表面積(m²/g)

≥130

≥130

≥125

7

Na₂O(wt%)

≤3.0

≤3.0

≤3.0

8

Fa₂O₃(wt%)

≤0.08

≤0.08

≤0.08

9

SiO₂(wt%)

≤3.0

≤3.0

≤3.0

10

Ca(ppm)

≤1000

≤1000

≤1000

11

Ti(wt%)

≤0.1

≤0.1

≤0.1

12

S(ppm)

≤1000

≤1000

≤1000

13

Cl(ppm)

≤500

≤500

≤500

14

≤20μm(wt%)

≤5

≤5

≤4.5

15

0~40μm(wt%)

≤20

≤20

≤20

16

0~150μm(wt%)

≤92

≤92

≤92