Polypropylene Membrane Cartridge Filters

Chemifil™ cartridges are manufactured using a polypropylene membrane of uniform thickness and high voids volume, with a homogeneous structure and controlled pore sizes. Designed for the removal of sub-micron organic and inorganic particulate matter, the inherent structural stability of the membrane eliminates any risk of media migration and minimises the release of particles.

Features and Benefits

  • Chemifil™ cartridges
    The all polypropylene cartridge construction makes it an ideal choice for the filtration of aggressive chemicals.
  • Guaranteed microbial ratings
    Chemifil™ cartridges are validated for bacterial removal according to HIMA guidelines and ASTM F838-05, with a log reduction value >7.
  • Flow ΔP characteristics
    Chemifil™ filter cartridges provide high flow rates at low pressure differentials. These features result in lower energy consumption and fewer filter cartridges per system.
  • Steam sterilisation
  • Solvents and aggressive chemicals
    The exceptional chemical resistance of polypropylene allows Chemifil™ filter cartridges to be compatible with aggressive chemical solutions, including strong acids, alkalis, solvents and etchants.
  • Full traceability
  • Controlled manufacturing environment

Materials of Manufacture

Filter membrane: Polypropylene
Membrane support: Polypropylene
Irrigation mesh (support): Polypropylene
Drainage layer: Polypropylene
Inner core: Polypropylene
Outer support: Polypropylene
End fittings: Polypropylene
Sealing: Fusion bonding

Gaskets and O-Rings

Ethylene Propylene, PTFE encapsulated, Silicone or Nitrile.

Maximum Differential Pressure

Normal flow direction at:
20°C (68°F): 6.0 bar (87lb/in2)
80°C (176°F): 4.0bar (58lb/in2)
100°C (212°F): 3.0 bar (43lb/in2)
120°C (248°F): 2.0 bar (29lb/in2)
125°C (257°F): 1.5bar (22lb/in2)

Effective Filtration Area

Absolute Microbial Rating Effective Filtration Area (each 254mm (10") module)
0.1 and 0.2μm 0.66m2 (7.1ft2)


Chemifil™ polypropylene membrane cartridges meet the demanding filtration requirements of pharmaceutical, semiconductor and fine chemical manufacturers. They can be used for the fine filtration of aggressive chemical solutions including acids, alkalis, solvents and etchants. They are also suitable for a wide range of sterile venting and gas filtration applications, including the filtration of wet gases.

  • Fine chemicals and solvents
  • Photoresists and developers
    The microfiltration of photoresists and developer solvents, susceptible to contamination and precipitation during manufacture, storage and processing.
  • Pure water supply systems
  • Sterile process gases
  • Sterile vents

Clean Water Flow Rates


RR Retention Rating
MT Maximum temperature recommended of a working product in degrees centigrade
MoC Primary material of construction
MoC Primary material of construction
MP Maximum working pressure of housing in bar
Brand Manufacturing brand name supplying the product
FE Filter efficiency
Q Quality assurances and certificates validating this product