Coarse Straining

Upstream protection and bulk separation

Cartridge Filtration

Precision fine and depth filtration

Membrane Technologies

Micro, ultra, nano and reverse osmosis

Pre-Treatment

Conditioning ahead of the process

Purification

Reverse osmosis and demineralization

Polishing and Service

High purity finishing and on-site support

Memtrex MP-E (MMP-E) filters (Figure 1) incorporate a modified asymmetric Polyethersulfone membrane with polypropylene supports and hardware for enhanced service life and cleanliness in UPDI water and other microelectronics applications.

Specifications

Absolute Micron Rating
0.2 µm
Elastomer Material
Silicone, Viton, Buna-N, EPDM
End #1 Adapter
020 O-Ring
End #2 Adapter
Fin Adapter
Nominal Cartridge Length
102 cm / 40 in

Integrity Testing

≤ 19 cc/min at 2.1 bar / ≤ 19 cc/min at 30 psig

Note

Trademark of General Electric Company; may be registered in one or more countries.

Typical Applications

Memtrex-MP-E filters are specifically designed for the filtration of ultrapure semiconductor water. Typical applications include:

  • UPDI Water Pad
  • High Purity Chemicals
  • Point of Use Applications

General Properties

Memtrex MP-E filters are available the following absolute pore size micron ratings: 0.03, 0.1 and 0.2 µm. Tables 1, 2, 3, 4 and 5 show further details on materials of construction, dimensions, operational limits, integrity testing and flow performance.

Additional Information

  • Memtrex-MP-E filters with polypropylene components may be autoclaved (121°C, 30 minute cycles) or in situ steam sterilized (125°C, 30 minute cycles) for a maximum accumulated exposure of 10 hours. Memtrex-MP-E filters with polyethylene hardware must not be autoclaved or in situ steam sterilized. Alternatively, the filters may be sanitized with compatible chemical agents.
  • The component materials of Memtrex-MP-E filters are suitable for use in articles intended for repeated food contact as specified in the United States Code of Federal Regulations, Title 21. Memtrex-MP-E filters meet the test criteria for USP24 class VI-121°C Plastics and pass the MEM Elution Cytotoxicity Test.
  • Aqueous extracts from Memtrex-MP-E filters contain less than 0.25 EU/ml. The filters typically exhibit low levels of non-volatile residues. The filters rinse to less than 5 ppb TOC and less than 5 ppb trace metals in 25 min at 2.5 gpm per 10″ module in UPDI water.

Line Specifications

Core and Cage
Polypropylene
Effective Filtration Area
8 ft² / 1 m²
Endcaps and Adapters
Polypropylene
Grade
Electronic
Maximum Forward Differential Pressure @ 70°F (21°C)
4.1 bar / 60 psi
Maximum Operating Temperature at 10 psid (0.7 bar) in Water
82 °C / 180 °F
Maximum Reverse Differential Pressure @ 70°F (21°C)
2.1 bar / 30 psi
Media Material
Hydrophilic Polyethersulfone Membrane
Nominal Inside Diameter
1.25 in / 31 mm
Nominal Outside Diameter
2.75 in / 70 mm
Support Layers
Polypropylene Microfiber
Type
MMP

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