PreFilteration, Filter Capsule, Polypropylene Membrane, Kleenpak HDC II Capsule, 4.5u,Hose Barb,1Pk SKU: KA3J045P6

Polypropylene (PP) Capsule Filters - KA3J045P6

All-polypropylene capsule construction offers uniform chemical compatibility from membrane to housing, eliminating the material mismatch concerns that arise with multi-material filter assemblies. Moreover, all-polypropylene construction from membrane to housing provides uniform chemical resistance, eliminating the compatibility concerns that arise when membrane and housing materials respond differently to aggressive process fluids. By design, the outcome is simplified regulatory documentation and reduced contamination risk, with each single-use capsule providing a validated, traceable filtration event.

Key Polypropylene (PP) Membrane Characteristics

• 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.
• The depth-type polypropylene media provides high dirt-holding capacity for prefiltration and clarification, extending the service life of downstream sterilizing-grade membrane filters.
• Rated for continuous operation at temperatures up to 121 degrees Celsius, the capsule maintains structural integrity and retention performance across the normal process temperature range.
• Maximum operating pressure of 60 psi provides the differential pressure capacity needed for sustained filtration of viscous solutions and high-flow process streams.
• Polypropylene capsule construction tolerates repeated autoclave sterilization cycles at 121 degrees Celsius, supporting reuse protocols where single-use disposability is not required.

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.
• 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 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.

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 this purpose, 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. Take control of your sample preparation variables and ensure that your data reflects the true nature of your work, rather than the quality of your consumables.

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.

Capsule Format

Kleenpak HDC II

Compliance Standards

USP Class VI <121°C>

Construction

Polypropylene

Filling Bell (Yes/ No)

No

Filtration Area

2200 cm²

Inlet Connection

Hose barb

Material

PP

Maximum Operating Pressure

60 psi

Maximum Operating Temperature (°C)

121 °C

Outlet Connection

Hose barb

Pack Count

1

Pore Size (µm)

4.5

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclave

Vent (Yes/ No)

No

Wettability

Hydrophobic

• 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.
• Food and Beverage - Clarification of beverages, process water, and food-grade fluids using chemically compatible polypropylene media.
• Chemical Clarification - Removal of suspended solids from aggressive chemical solutions across the full pH range from acids to bases.
• Prefiltration - Coarse particle removal upstream of final membrane filters to extend downstream filter service life and throughput.
• Water Treatment - Prefiltration and clarification of process water streams in manufacturing, laboratory, and utility system applications.