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Specifications: Hydrophobic Teflon
(PTFE) Membrane
| pore
size (mm) |
Bubble Point1 |
Flow
Rates2 |
Porosity3
(%) |
Thickness
(m m) |
Maximum
Temperature (°C) |
Water
Break through (kg/cm2) |
| Methanol
(ml/min/cm2) |
Air
(l/min/cm2) |
| kg/cm2 |
PSI |
| 1.0 |
0.2 |
3 |
250 |
17 |
76 |
90 |
150 |
0.3 |
| 0.5 |
0.4 |
6 |
100 |
7.5 |
74 |
120 |
150 |
0.6 |
| 0.2 |
0.9 |
13 |
50 |
4.5 |
72 |
130 |
150 |
0.99 |
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DEFINITIONS:
Bubble point is the minimum pressure required to
force air through a membrane which has been prewet with methanol
Flow rates determined under constant vacuum 0.7 kg/cm2
(10 psi)
Porosity refers to the percent open area
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Chemical Compatibility
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