Name

Normal
mm

Diameter*Height*
Thickness mm

Surface area
m²/m³

Void space
%

Bulk density
kg/m³

No.elements
per/m³

Packing factor
m^-1

Pall ring

?25

25*25*1.2

213

91

85

48300

285

?38

38*38*1.4

151

91

82

15800

200

?50

50*50*1.5

100

92

60

6300

130

?76

76*76*2.6

72

92

62

1930

92