Polyethersulfone (PES) Capsule Filters - 6718-9502
PES capsule filters address the growing demand for single-use, validated filtration devices that integrate directly into pharmaceutical and biopharmaceutical fluid transfer systems. Asymmetric PES membrane construction captures contaminants at the upstream surface while maintaining open pore channels beneath, extending capsule service life and reducing the frequency of mid-batch device changes. On this basis, the outcome is higher operational throughput with lower contamination risk, as disposable capsule devices remove the reprocessing steps that introduce variability into reusable filter systems.
Key Polyethersulfone (PES) Membrane Characteristics
- Factory sterilization of the complete capsule assembly ensures that all fluid-contact surfaces meet sterility requirements without relying on user-performed sterilization procedures.
- 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.
- 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.
- Rated for operating pressures up to 60 psi, the capsule housing withstands the system pressures encountered in peristaltic pump, pressure vessel, and gravity-feed filtration configurations.
Key Capsule Construction Features
- Thermally fused polypropylene construction eliminates adhesives, binders, and O-rings from the fluid path, reducing extractable contamination and simplifying material qualification.
- Single-use polypropylene capsule construction eliminates cleaning validation requirements, reducing the regulatory burden and turnaround time associated with reusable stainless steel filter housings.
- Barbed inlet and outlet connections provide a practical, leak-resistant interface for gravity-feed, peristaltic pump, and pressure-driven filtration systems using flexible tubing.
- The sealed polypropylene housing is individually integrity-tested during manufacturing, verifying membrane installation and housing seal quality before the device leaves the production facility.
As single-use filtration continues to replace reusable housings across pharmaceutical and laboratory environments, your capsule filter selection determines both the quality of the filtrate and the efficiency of the workflow. 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. Make the decision for consistency and reliability, ensuring that your laboratory maintains its reputation for high-quality, error-free output.
Sterilization Guidance
Validated sterility from the point of manufacture through the labeled shelf life allows immediate deployment in critical filtration steps without additional sterilization procedures.
For more information about chemical compatibility, please review our Chemical Compatibility Chart.
- Bubble Point (psi)
- 40 psi
- Burst Pressure (psi)
- 60 psi
- Capsule Format
- Polycap TC 75
- Compliance Standards
- ISO 9001; HIMA Challenge Test
- Construction
- Polypropylene
- Diameter
- 15 cm
- Filling Bell (Yes/ No)
- Yes
- Filtration Area
- 2200 cm²
- Holdup Volume
- 250 mL
- Inlet Connection
- 3/8 to 1/2 in. stepped barb
- Material
- PES
- Max Batch Volume
- Large-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)
- 0.2
- 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
- Buffer Processing - Large-volume filtration of pharmaceutical buffers and process solutions with broad pH compatibility across pH 1-14.
- 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.
- Water Purification - Membrane-grade filtration of purified water and water-for-injection systems in pharmaceutical manufacturing facilities.
- Biologics Protection - Ultra-low protein binding preserves antibody and growth factor concentrations through the membrane retention step.