Polypropylene Capsule Filter, 3.0um, 72mm x 115mm, 1/4 in. MNPT, Nonsterile, 1/Pk SKU: SF14999

Polypropylene (PP) Capsule Filters - SF14999

Polypropylene capsule filters serve as robust prefiltration and clarification devices for chemical processing, ink filtration, and industrial fluid treatment applications. Manufactured to exacting specifications, polypropylene capsule construction withstands repeated autoclave sterilization cycles, supporting reuse protocols in applications where single-use economics are not favorable. The result is a filtration workflow that scales efficiently from method development through production, delivering consistent retention performance across the full range of capsule effective filtration areas.

Key Polypropylene (PP) Membrane Characteristics

• The non-sterile capsule format offers a cost-effective option for applications where particle removal rather than sterility assurance is the primary filtration objective.
• The 60 milliliter holdup volume reflects the capsule's internal fluid path geometry, relevant to recovery calculations for precious samples and small-batch pharmaceutical formulations.
• Polypropylene capsule filters withstand aggressive chemical environments across the full pH range, from concentrated acids to strong bases, without membrane degradation or extractable release.
• 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.
• 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

• 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.
• 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.

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. 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.

Compliance Standards

ISO 9001

Connection Type

1/4 in. MNPT

Construction

Polypropylene

Diameter

72mm

Dimensions

72mm x 115mm

Filling Bell (Yes/ No)

No

Filtration Area

1000cm²

Flow Rate

17.1 L/min at 0.1 bar

Holdup Volume

60mL

Inlet Connection

1/4 in. MNPT

Length

115mm

Material

PP

Max Batch Volume

＜50L

Maximum Operating Pressure

75.4psi

Maximum Operating Temperature (°C)

80°C

Outlet Connection

1/4 in. MNPT

Pack Count

1

Pore Size (µm)

3

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclavable at 121°C for 30 mins

Vent (Yes/ No)

Yes

Weight

0.42

Wettability

Hydrophobic

• Ink Filtration - Clarification of printing inks, coatings, and pigment suspensions requiring broad chemical compatibility and high loading.
• Water Treatment - Prefiltration and clarification of process water streams in manufacturing, laboratory, and utility system applications.
• Food and Beverage - Clarification of beverages, process water, and food-grade fluids using polypropylene construction materials with documented chemical compatibility.
• Prefiltration - Coarse particle removal upstream of final membrane filters to extend downstream filter service life and throughput.
• 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.