Type

D*H*δ
mm

Surface
area
m²/m³

Void
Volume
m³/m³

Bulk
density
Kg/m³

Bulk
number
n/m³

Dry
packing factor
m(-1)

φ25

25×20×0.5

185

0.96

409

101160

209

φ38

38×30×0.6

112

0.96

365

24680

137

φ50

50×40×0.8

75

0.96

291

10400

85

φ76

76×60×1.0

58

0.97

245

3320

63