5000 - 7499.99
(2)
7500 - 9999.99
(4)
10000 - 14999.99
(1)
Retsch
(7)
Medium-hard, brittle
Soft, fibrous
Soft, medium-hard
Soft, medium-hard, brittle, fibrous
<25
(5)
<10
<100
<250
<40
<50
2000
3000
6000
10000
4000
14000
18000
0.75
0.9
1.1
2.2
0.25
5
30