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wwPTFE Membrane Disc Filters

Membrane with Chemical Compatibility for
Aqueous Solutions and Aggressive Solvents

  • Maximum versatility. Filters aqueous solutions or aggressive chemicals. 
  • Low protein binding membrane gives high recovery of critical proteinaceous samples.
  • HPLC certified. Provides assurance that the filter will not add artifacts to your analysis.
  • Low API adsorption.
“Pall Laboratory products are designed for laboratory applications only. This product is not approved for use in medical, clinical, surgical or other patient applications. If you require further assistance in product selection for your chosen application, please email us a question or call 1-800-521-1520."
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Next Generation Universal wwPTFE Membrane Disc Filters

wwPTFE 0.45UM 47MM DISC 50/PK
wwPTFE 0.45UM 90MM DISC 75/PK
wwPTFE 0.2UM 47MM DISC 50/PK
wwPTFE 0.45UM 25MM DISC 100/PK
wwPTFE 0.45µm 50MM DISC 50/PK
wwPTFE 0.2UM 25MM DISC 50/PK
wwPTFE 0.2UM 50MM DISC 50/PK

Documents

Datasheets

Download: English

Description

Membrane with Chemical Compatibility for
Aqueous Solutions and Aggressive Solvents

  • Maximum versatility. Filters aqueous solutions or aggressive chemicals. 
  • Low protein binding membrane gives high recovery of critical proteinaceous samples.
  • HPLC certified. Provides assurance that the filter will not add artifacts to your analysis.
  • Low API adsorption.
“Pall Laboratory products are designed for laboratory applications only. This product is not approved for use in medical, clinical, surgical or other patient applications. If you require further assistance in product selection for your chosen application, please email us a question or call 1-800-521-1520."

Specifications

Filter Media

  • Hydrophilic polypropylene

Pore Size

  • 0.2 and 0.45 µm

Typical Thickness

  • 0.2 µm: 101 µm (4.0 mils)
  • 0.45 µm: 114 µm (4.5 mils)

Typical Water Flow RatemL/min/cm2 at 0.7 bar (70 kPa, 10 psi)

  • 0.2 µm: 20
  • 0.45 µm: 31

Maximum Operating Temperature

  • 55 °C (131 °F)

Minimum Bubble Point - IPA

  • 0.2 µm: 1 bar (100 kPa, 14.5 psi)
  • 0.45 µm: 0.63 bar (63 kPa, 9.1 psi)

Applications

Performance

wwPTFE Membrane is Virtually a Universal Membrane for All Applications

Membrane Proteinaceous General Aqueous Non-Aggressive Organic Aggressive Organic
PTFE - - ++ ++
PVDF ++ ++ + -
Nylon +* ++ + -

++ Recommended
+ Suitable
- Not Recommended
* Dependent on protein type and concentration

Type

Disc Filters

Use

Microfiltration, Solvent Filtration

Product Summary

Membrane with chemical compatibility for aqueous solutions and aggressive solvents. Maximum versatility. Filters aqueous solutions or aggressive chemicals.