Polypropylene Capsule Filter, 1.0um, 72mm x 115mm, 1/4 in. MNPT, Nonsterile, 1/Pk SKU: SF14998

Polypropylene (PP) Capsule Filters - SF14998

For high-particulate or chemically aggressive fluid streams, polypropylene capsule filters provide the loading capacity and chemical resistance needed for reliable in-line operation. At its core, polypropylene capsule construction withstands repeated autoclave sterilization cycles, supporting reuse protocols in applications where single-use economics are not favorable. 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 Polypropylene (PP) Membrane Characteristics

• All-polypropylene capsule construction ensures that membrane, support layers, and housing share identical chemical resistance, eliminating compatibility mismatches across the device.
• Maximum operating pressure of 75.4 psi provides the differential pressure capacity needed for sustained filtration of viscous solutions and high-flow process streams.
• Internal holdup volume of 60 milliliters minimizes sample loss during capsule filtration, a critical consideration when processing expensive biologics or limited-volume preparations.
• Polypropylene capsule construction tolerates repeated autoclave sterilization cycles at 121 degrees Celsius, supporting reuse protocols where single-use disposability is not required.
• 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.

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.
• 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 capsule housing supports autoclave sterilization at 121 degrees Celsius and withstands gamma irradiation exposure, accommodating both user-sterilized and factory-sterilized device configurations.
• Thermally fused polypropylene construction eliminates adhesives, binders, and O-rings from the fluid path, reducing extractable contamination and simplifying material qualification.

Your laboratory's filtration throughput depends not only on membrane retention characteristics but on the practical factors of device connection, priming, and changeover that capsule filters are specifically engineered to optimize. Specifically, when your application requires chemical resistance across the full pH range combined with the ability to withstand autoclave sterilization, all-polypropylene construction meets your combined durability requirements. Make the decision for consistency and reliability, ensuring that your laboratory maintains its reputation for high-quality, error-free output.

Sterilization Guidance

Polypropylene construction throughout the device permits autoclave sterilization at standard conditions, enabling end-user preparation for sterile filtration applications as needed.

For more information about chemical compatibility, please review our Chemical Compatibility Chart.

Connection Type

1/4 in. MNPT

Diameter

72mm

Dimensions

72mm x 115mm

Filtration Area

0.1m2

Material

Polypropylene (PP)

Pack Count

1

Pore Size (µm)

1.0

Sterility

Nonsterile

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.
• Prefiltration - Coarse particle removal upstream of final membrane filters to extend downstream filter service life and throughput.
• Food and Beverage - Clarification of beverages, process water, and food-grade fluids using polypropylene construction materials with documented chemical compatibility.
• 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.