Pleated Hydrophilic PTFE Membrane and Polypropylene Supported Cartridges for Microelectronic Liquid
The Proflow™-HE cartridge is designed for filtration of microelectronic (MiE) fluids. High-purity polypropylene and hydrophilic PTFE provide an economical alternative for the filtration of various MiE chemicals. The hydrophilic nature of the PTFE membrane does not require pre-wetting for aqueous based liquids typically necessitated with standard PTFE membranes. This can reduce total operating cost and improve process up-times.
Proflow-HE is available in both Standard and SELECT pleated versions. SELECT pleating allows for additional membrane surface areas for exceptional flow rates and on-stream life.
Proflow-HE cartridges are manufactured in an ISO 9008 certified Class 10,000 cleanroom and flushed with ultra-high-purity deionized water and 100% integrity tested as well as serialized to provide complete product purity, reliability and traceability.
Applications:
- Recommended applications include, but are not limited to:
- Acids & Bases
- Extraction/crystallization solvents
- Hot ultra-high-purity deionized water
- Solvent filtration
Benefits:
- Hydrophilic membrane (pre-wetting not required)
- Broad chemical compatibility
- Long service life minimizes changeout frequency
- Low differential pressure reduces energy costs
- Top-performing retention efficiency
- Very low metals and organic extractables
- Quick rinse up-time
- Integrity-tested for quality assurance
Markets:
Proflow-HE is well-suited for the manufacturing of:
- LCD Displays
- Solar Panels
- Bulk Chemicals
- Fine Chemical Filtration
Specifications:
Materials of ConstructionMembrane: Hydrophilic PTFE
Support layers: Polypropylene
Structure: Polypropylene
Materials are thermally bonded, for maximum assurance of filter integrity and elimination of bonding or sealing compounds. Modules and final filter assemblies are flushed with 18-meg-ohm-cm high purity water, to provide extremely low extractables levels.
Effective Filtration AreaStandard Pleating: 7.2 ft2*
SELECT Pleating: 11.4 ft2*
* Per 10-inch (250mm) cartridges
Maximum Differential PressureForward:
70 psid (4.8 bar) @ 75ºF (24ºC)
40 psid (2.8 bar) @ 180ºF (82ºC)
Reverse:
40 psid (2.8 bar) @ 75ºF (24ºC)
Cleanliness (Particle Shedding)20 gal rinse-up at 1gpm achieves <1 particle/ml @ 0.2 μm
Chemical CompatibilityCompatible with many water based acids, basis & solvent solutions.
Contact dhP-N.A. Technical Services for details.
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