PolyCap TF 75 PTFE Capsule Filter SKU: 6700-7502

PTFE Capsule Filters - 6700-7502

The broad chemical compatibility and thermal resistance of PTFE capsule filters make them a reliable choice for filtration tasks spanning organic chemistry, pharmaceutical manufacturing, and process gas handling. Pleated PTFE membrane construction provides extended surface area for solvent and gas filtration, maintaining flow performance across high-volume batches where chemical resistance is the primary selection criterion. Ultimately, 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 PTFE 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 pleated PTFE membrane configuration within the capsule housing provides sufficient surface area for production-scale solvent filtration without the pressure drops associated with flat disc PTFE devices.
• PTFE membrane capsules resist degradation by virtually all organic solvents, strong acids, bases, and oxidizing agents, providing universal chemical compatibility for aggressive filtration applications.
• Maximum operating pressure of 60 psi provides the differential pressure capacity needed for sustained filtration of viscous solutions and high-flow process streams.
• Capsule holdup volume of 22 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

• Polypropylene capsule housing supports autoclave sterilization at 121 degrees Celsius and withstands gamma irradiation exposure, accommodating both user-sterilized and factory-sterilized device configurations.
• 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.
• Barbed inlet and outlet connections provide a practical, leak-resistant interface for gravity-feed, peristaltic pump, and pressure-driven filtration systems using flexible tubing.

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. Here, when your application requires a membrane that withstands both chemical attack and elevated temperatures, PTFE construction delivers the durability your process conditions require without sacrificing retention performance. 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.

Bubble Point (psi)

13 psi

Burst Pressure (psi)

60 psi

Capsule Format

Polycap TF 75

Compliance Standards

ISO 9001

Construction

Polypropylene

Diameter

7.5 cm

Filling Bell (Yes/ No)

No

Filtration Area

890 cm²

Holdup Volume

22 mL

Inlet Connection

1/4 to 3/8 in. stepped barb

Length

13.8 cm

Material

PTFE

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

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclave

Vent (Yes/ No)

No

Wettability

Hydrophobic

• Vent Protection - Membrane barrier filtration for fermentation vessel exhaust and bioreactor off-gas systems in bioprocessing facilities.
• Chemical Processing - Filtration of strong acids, bases, and aggressive organic chemicals that degrade PES, PVDF, and nylon membranes.
• HPLC Preparation - Particle removal from organic and mixed mobile phases prior to high-performance liquid chromatography analysis.
• Solvent Recovery - Clarification of recycled organic solvents to remove particulates accumulated during previous processing operations.
• Tank Venting - Hydrophobic membrane barrier prevents microbial ingress while allowing pressure equalization in process tank headspaces.
• Air Filtration - Point-of-use filtration of compressed air and nitrogen gas streams supplying clean manufacturing environments.