item

001×7

001×7fc

001×7mb

001×7sc

moisture(%)

45-52

38-50

full exchange capacity mmol/g(dry) ≥

4.5

4.4

wet superficial density(g/ml)

0.77-0.87

0.81-0.87

wet real density (g/ml)

1.24-1.28

1.30

granularity(%)

(0.315-1.25mm)≥95

(0.45-1.25mm)≥95

(0.50-1.25mm)≥95

(0.63-1.25mm)≥95

effective grain size(mm)

0.40-0.70

≥0.50

0.55-0.90

≥0.63

uniformity coefficient ≤

1.6

1.6

1.4

1.4

sphericity after burnishing(%) ≥

95

95

95

95