| Vitra POR® Filter - Porositätslassen | ||
| Klasse | Bezeichnung ISO/4793 | NW der Poren (µm) |
|
00
|
P 500
|
250 - 500
|
|
0
|
P250
|
160 - 250
|
|
1
|
P160
|
100 - 160
|
|
2
|
P100
|
40 - 100
|
|
3
|
P 40
|
16 - 40
|
|
4
|
P 16
|
10 - 16
|
|
5
|
P 1,6
|
1,0 - 1,6
|
 |
||
| Klasse | Bezeichnung ASTM/BS | NW der Poren (µm) |
|
EC
|
Extra Coarse
|
170 - 220
|
|
C
|
Coarse
|
40 - 60
|
|
M
|
Medium
|
10 - 16
|
|
F (BS)
|
Fine (BS)
|
4 - 10
|
|
F (ASTM)
|
Fine (ASTM)
|
4 - 5,5
|
|
VF
|
Very Fine
|
2 - 2,5
|
|
UF
|
Ultra Fine
|
0,9 - 1,4
|
