Filter Media
wwPTFE (water wettable PTFE), TF (PTFE, hydrophobic polytetrafluoroethylene), PVDF (hydrophilic polyvinylidene fluoride), and Nylaflo™ (hydrophilic nylon) membranes
Pore Size
0.2 and 0.45 μm
Typical Thickness
wwPTFE Membrane
0.2 μm: 280 μm (11.0 mils)
TF (PTFE) Membrane
0.2 μm: 139 μm (5.5 mils)
0.45 μm: 135 μm (5.3 mils)
PVDF Membrane
0.2 μm: 140 μm (5.5 mils)
0.45 μm: 127 μm (5.0 mils)
Nylaflo™ Membrane 0.2 and 0.45 μm: 127 μm (5.0 mils)
Maximum Operating Temperature
wwPTFE Membrane: 55°C (131°F)
PVDF, TF (PTFE), and Nylaflo™ Membranes: 100°C (212°F)
Minimum Bubble Point – Water
IPA: wwPTFE Membrane
0.2 μm: 1 bar (100 kPa, 14.5 psi)
0.45 μm: .63 bar (63 kPa, 9.1 psi)
PVDF Membrane
0.2 μm: 2.3 bar (230 kPa, 34 psi)
0.45 μm: 1.1 bar (110 kPa, 16 psi)
Nylaflo™ Membrane
0.2 μm: 3.4 bar (340 kPa, 49 psi)
0.45 μm: 2.6 bar (260 kPa, 37 psi)
Minimum Bubble Point - IPA, TF (PTFE) Membrane
0.2 μm: 1.0 bar (100 kPa, 15 psi)
0.45 μm: 0.4 bar (40 kPa, 6 psi)
Applications
Purification and degassing of mobile phase solvents used in liquid chromatography applications