Hydrophilic PTFE Membrane Filters

Hydrophilic PTFE Membrane Filters

Filter Media: Hydrophilic PTFE
Bubble Point(0.22μm): ≧0.1MPa
Bubble Point(0.45μm): ≧0.06MPa
Diameter: 13mm, 25mm, 47mm, 90mm, 142mm, 293mm
Pore Size: 0.22μm, 0.45μm
Chemical compatibility: ≥ Aqueous, organic solvents and mixed solvent




The hydrophilic filter membrane is an unsupported hydrophilic PTFE membrane that has High flow rates with minimal aqueous extractable and Maximal chemical resistance. it is ideal for clarification and filtration of a strong acid, strong alkali, and corrosive solvent.


ISO9001 approved
Imported from Germany and US to ensure high quality
Manufactured in 100,000 class cleaning room
Various sizes in supply for different application
OEM service available
Low background response


Unsupported hydrophilic PTFE filter membrane
Excellent chemical stability and particle retention
Compatible with all commonly aqueous and organic solvent
High flow rate and low protein binding capacity
Can be used to filter aqueous fluids without prior wetting
Lowest level of IC extractables, optimizing background levels in sensitive IC analyses


Ideal for HPLC and other mixtures of aqueous and organic solvents
Filtration of strong acid, base, and corrosive solvent
Natural product screening,
Aqueous solubility testing
Total drug analysis.

Technical Data

Filter Media Hydrophilic PTFE
Pore Size 0.22μm, 0.45μm
Diameter 13mm, 25mm, 47mm, 90mm, 142mm, 293mm
Bubble Point ≧0.13MPa(0.22μm) ≧0.07MPa(0.45μm)
Flow Rate@23 ℃, H2O ≥ 6 mL/min/cm2@1 bar(0.22μm) ≥ 30 mL/min/cm2@1 bar(0.45μm)
Thicknes 150 – 250μm
PH Range 1 – 14
Chemical compatibility Resistant to almost all chemicals
Maximum Operating Pressure 4.2 bar@23 ℃ 1.5 bar@85 ℃

Scanning Electron Miscroscope Picture


Ordering Information

Item Code Pore Size(μm) Diameter(mm) Sterile Quantity/pk
MLPTL13022 0.22 13 No 200pcs
MLPTL25022 0.22 25 No 100pcs
MLPTL47022 0.22 47 No 100pcs
MLPTL90022 0.22 90 No 50pcs
MLPTL142022 0.22 142 No 25pcs
MLPTL293022 0.22 293 No 25pcs
MLPTL13045 0.45 13 No 200pcs
MLPTL25045 0.45 25 No 100pcs
MLPTL47045 0.45 47 No 100pcs
MLPTL90045 0.45 90 No 50pcs
MLPTL142045 0.45 142 No 25pcs
MLPTL293045 0.45 293 No 25pcs

We have more than thirty lines for the production of micro-porous Membranes, Syringe filters, Sample vials, Septa and caps, along with Filter Paper, Vacuum pumps and manifolds.

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