Information about pore sizes
Information about pore sizes – what do these indications mean?
Class
Indication
Pore size in μm
Class:
00
Indication:
P 500
Pore size in μm:
250 - 500 *
Class:
0
Indication:
P 250
Pore size in μm:
160 - 250 *
Class:
1
Indication:
P 160
Pore size in μm:
100 - 160 *
Class:
2
Indication:
P 100
Pore size in μm:
40 - 100
Class:
3
Indication:
P 40
Pore size in μm:
16 - 40
Class:
4
Indication:
P 16
Pore size in μm:
10 - 16
Class:
5
Indication:
P 1,6
Pore size in μm:
1 - 1,6
* not feasible with PTFE at the moment
Typical applications – often asked.
Poresize
Application
Poresize:
50 μm
Application:
Filtration of coarse particles, distribution of gas in liquids
Poresize:
5 μm
Application:
Filtration of medium-sized particles, laboratory filtration, valve for packings (gas permeable, leak proof)
Poresize:
1 μm
Application:
Filtration of aqueous solvents, elimination of particles
Poresize:
0,45 μm
Application:
Prefiltration of aqueous solvents, HPLC solvents, protein solvents and alcohols, sterile filtration of air or other gases
Poresize:
0,2 μm
Application:
Ultracleaning of organic solvents and alcohols, sterile filtration of air or other gases
Poresize:
0,05 μm
Application:
Ultracleaning of solvents or gases (virus)
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