Polypropylene (PP) Capsule Filters - SF14966
For high-particulate or chemically aggressive fluid streams, polypropylene capsule filters provide the loading capacity and chemical resistance needed for reliable in-line operation. The depth-style polypropylene media within the capsule housing provides high dirt-holding capacity for clarification and prefiltration applications where particulate loads would rapidly foul membrane-based devices. Accordingly, 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 Polypropylene (PP) Membrane Characteristics
- The hydrophobic polypropylene matrix provides effective filtration of organic solvents and non-aqueous process fluids without the pre-wetting steps required for aqueous applications.
- Polypropylene capsule filters serve as effective guard filters upstream of sensitive analytical instruments and sterilizing-grade membrane devices, removing gross particulates that would cause premature fouling.
- All-polypropylene capsule construction ensures that membrane, support layers, and housing share identical chemical resistance, eliminating compatibility mismatches across the device.
- Single-membrane capsule design provides a straightforward retention barrier for applications where feed quality is controlled and extended dirt-holding capacity is not the primary requirement.
- Capsule holdup volume of 25 milliliters represents the fluid retained within the device after filtration, an important factor when calculating yield for high-value pharmaceutical products.
Key Capsule Construction Features
- Single-use polypropylene capsule construction eliminates cleaning validation requirements, reducing the regulatory burden and turnaround time associated with reusable stainless steel filter housings.
- Thermally fused polypropylene construction eliminates adhesives, binders, and O-rings from the fluid path, reducing extractable contamination and simplifying material qualification.
- The sealed polypropylene housing is individually integrity-tested during manufacturing, verifying membrane installation and housing seal quality before the device leaves the production facility.
- Polypropylene housing materials provide documented biocompatibility and low extractable profiles, supporting integration into pharmaceutical and food-processing filtration applications.
Whether your process requires sterilizing-grade retention for a 500-milliliter bench trial or clarification capacity for a 100-liter production batch, the right capsule filter configuration eliminates the compromises between throughput, retention, and operational simplicity. In response, if your process generates high particulate loads or involves chemically aggressive fluids, polypropylene capsule construction provides the chemical breadth and dirt-holding capacity your clarification step requires. 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
Non-sterile delivery accommodates applications where sterility is not required, while the all-polypropylene construction provides the option for autoclave sterilization when aseptic processing is specified.
For more information about chemical compatibility, please review our Chemical Compatibility Chart.
- Compliance Standards
- ISO 9001
- Connection Type
- 1/4 - 3/8 in. stepped hose barb
- Construction
- Polypropylene
- Diameter
- 72mm
- Dimensions
- 72mm x 95mm
- Filling Bell (Yes/ No)
- No
- Filtration Area
- 500cm²
- Flow Rate
- 0.7 L/min at 0.1 bar
- Holdup Volume
- 25mL
- Inlet Connection
- 1/4 - 3/8 in. Stepped Hose Barb
- Length
- 95mm
- Material
- PP
- Max Batch Volume
- <20L
- Maximum Operating Pressure
- 75.4psi
- Maximum Operating Temperature (°C)
- 80°C
- Outlet Connection
- 1/4 - 3/8 in. Stepped Hose Barb
- Pack Count
- 1
- Pore Size (µm)
- 0.22
- Prefilter (Yes/No)
- No
- Sterility
- Nonsterile
- Sterilization
- Autoclavable at 121°C for 30 mins
- Vent (Yes/ No)
- Yes
- Weight
- 0.24
- Wettability
- Hydrophobic
- Prefiltration - Coarse particle removal upstream of final membrane filters to extend downstream filter service life and throughput.
- Solvent Clarification - Removal of particulates from organic solvents and chemical solutions using chemically resistant polypropylene media.
- Chemical Clarification - Removal of suspended solids from aggressive chemical solutions across the full pH range from acids to bases.
- Process Protection - Guard filtration upstream of sensitive analytical instruments, process equipment, and final membrane filters.
- Industrial Fluids - High-capacity filtration of process chemicals, rinse water, and industrial solutions requiring aggressive chemical resistance.
- Ink Filtration - Clarification of printing inks, coatings, and pigment suspensions requiring broad chemical compatibility and high loading.