Detail PTFE Membrane Disc Filters Cat. No 66149
Strong, Chemically Resistant Membranes
for Air Monitoring and Sampling in
Aggressive Environments
Low chemical background permits highly sensitive, interference-free determinations.
Ensures accurate gravimetric determinations with low tare mass.
Zefluor™ membrane, available in 0.5 ¼ m pore size.
Ideal for filtration of gas and/ or organic solvents
Description Zefluor™ Membrane Teflo Membrane Zylon™ Membrane TF ( PTFE) Membrane
Filter Media/ Support PTFE with
PTFE support PTFE with PMP ( polymethyl-
pentene) support ring Unsupported PTFE PTFE on a
polypropylene support
Typical Thickness 0.5 ¼ m: 178 ¼ m ( 7 mils)
1 ¼ m: 165 ¼ m ( 6.5 mils)
2 and 3 ¼ m: 152 ¼ m ( 6 mils) 1 ¼ m: 76 ¼ m ( 3 mils)
2 ¼ m: 46 ¼ m ( 1.8 mils)
3 ¼ m: 30.4 ¼ m ( 1.2 mils) 140 ¼ m ( 5.5 mils) 0.2 ¼ m: 139 ¼ m ( 5.5 mils)
0.45 and 1 ¼ m:
135 ¼ m ( 5.3 mils)
Typical Air Flow Rate
L/ min/ cm2 at
0.7 bar ( 70 kPa, 10 psi) 0.5 ¼ m: 1
1 ¼ m: 14.6
2 ¼ m: 25.3
3 ¼ m: 53 1 ¼ m: 17
2 ¼ m: 53
3 ¼ m: 90 5 ¼ m: 13 0.2 ¼ m: 2
0.45 ¼ m: 3
1 ¼ m: 7
Minimum Bubble
Point - IPA
bar ( psi) Not applicable Not applicable Not applicable 0.2 ¼ m: 1.0 ( 15)
0.45 ¼ m: 0.4 ( 6)
1 ¼ m: 0.1 ( 2)
Water Breakthrough
bar ( psi) Not applicable Not applicable Not applicable 0.2 ¼ m: 2.8 ( 40)
0.45 ¼ m: 1.1 ( 16)
1 ¼ m: 1.0 ( 15)
Typical Aerosol Retention* 0.5, 1, and 2 ¼ m: 99.99%
3 ¼ m: 99.98% 1 and 2 ¼ m: 99.99%
3 ¼ m: 99.79% Not applicable Not applicable
Tampilkan Lebih Banyak