Polyethersulfone (PES) Capsule Filters - 6714-3601
From buffer preparation through biologics processing, PES capsule filters provide the membrane performance and single-use convenience required by modern pharmaceutical workflows. At its core, the pleated PES membrane pack maximizes effective filtration area within the capsule housing, sustaining high flow rates through large batch volumes while inherent hydrophilicity ensures immediate wetting without alcohol pre-treatment. With this in mind, the outcome is simplified regulatory documentation and reduced contamination risk, with each single-use capsule providing a validated, traceable filtration event.
Key Polyethersulfone (PES) Membrane Characteristics
- The 70 milliliter holdup volume reflects the capsule's internal fluid path geometry, relevant to recovery calculations for precious samples and small-batch pharmaceutical formulations.
- Dual-layer construction protects the sterilizing-grade final membrane from premature plugging, delivering sustained flow rates through feed streams that would rapidly block single-layer devices.
- The asymmetric pore structure of PES membranes captures contaminants at the upstream surface while maintaining open downstream channels, extending capsule throughput before reaching differential pressure limits.
- PES membrane construction supports integrity testing by forward flow, bubble point, or pressure decay methods, providing the post-use verification required by pharmaceutical quality systems.
- PES capsule filters achieve flow rates that support large-batch processing without the mid-run device changes that disrupt sterile workflows and introduce contamination risk.
Key Capsule Construction Features
- Polypropylene capsule housing provides broad chemical compatibility from pH 1 to 14, resisting the acids, bases, and process chemicals that degrade alternative housing materials.
- Polypropylene capsule housing supports autoclave sterilization at 121 degrees Celsius and withstands gamma irradiation exposure, accommodating both user-sterilized and factory-sterilized device configurations.
- Polypropylene housing materials provide documented biocompatibility and low extractable profiles, supporting integration into pharmaceutical and food-processing filtration applications.
- Single-use polypropylene capsule construction eliminates cleaning validation requirements, reducing the regulatory burden and turnaround time associated with reusable stainless steel filter housings.
From method development through scale-up to production, your capsule filter choice defines the balance between membrane performance, process integration, and the regulatory documentation trail that supports each filtration event. For this application, for laboratories processing cell culture media, buffers, or biological preparations, PES capsule construction delivers the combination of low binding, high throughput, and validated retention that your quality system depends on. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.
Sterilization Guidance
Factory sterilization ensures the device is ready for immediate use in aseptic applications, with validated sterility maintained through the sealed packaging until the labeled expiration date.
For more information about chemical compatibility, please review our Chemical Compatibility Chart.
- Bubble Point (psi)
- 46 psi
- Burst Pressure (psi)
- 60 psi
- Capsule Format
- Polycap TC 36
- Compliance Standards
- ISO 9001; HIMA Challenge Test
- Construction
- Polypropylene
- Diameter
- 3.6 cm
- Filling Bell (Yes/ No)
- No
- Filtration Area
- 550 cm²
- Holdup Volume
- 70 mL
- Inlet Connection
- 1/4 to 3/8 in. stepped barb
- Material
- PES
- Max Batch Volume
- Medium-volume batch processing
- Maximum Operating Pressure
- 60 psi
- Maximum Operating Temperature (°C)
- 121 °C
- Outlet Connection
- 1/4 to 3/8 in. stepped barb
- Pack Count
- 1
- Pore Size (µm)
- 0.1
- Pre-filter Pore Size
- 0.2
- Prefilter (Yes/No)
- Yes
- Sterility
- Sterile
- Sterilization
- Do not re-sterilize (autoclavable if sterility expires)
- Vent (Yes/ No)
- No
- Wettability
- Hydrophilic
- Biologics Protection - Ultra-low protein binding preserves antibody and growth factor concentrations through the membrane retention step.
- Buffer Processing - Large-volume filtration of pharmaceutical buffers and process solutions with broad pH compatibility across pH 1-14.
- Water Purification - Membrane-grade filtration of purified water and water-for-injection systems in pharmaceutical manufacturing facilities.
- Serum Processing - Capsule filtration of animal sera and biological supplements for cell culture and diagnostic reagent applications.
- Process Intermediates - In-line capsule filtration of pharmaceutical intermediates with validated retention and low adsorptive losses.
- Reagent Filtration - Removal of particulates and contaminants from laboratory reagents and process solutions before downstream use.