Tisch
PTFE Syringe Filters, 3.0um, 33mm, Luer-Lok/Luer Slip, Sterile, 100/Pk SKU: SF18248

Polytetrafluoroethylene (PTFE) Syringe Filters - SF18248

Featuring hydrophobic PTFE membrane technology with 3.0µm pore size engineered for prefiltration of aggressive solvents and high-particulate samples. Broad chemical resistance handles strong acids, bases, and halogenated organics while removing coarse particles that would clog fine membranes. Pre-sterilized by gamma irradiation for contamination-free handling in critical laboratory applications. Robust polypropylene housing withstands pressures up to 87psi while maintaining thermal stability to 60°C for demanding chemical processing.

Key Polytetrafluoroethylene (PTFE) Membrane Characteristics

• Hydrophobic membrane effectively prefilters organic solvents, acids, and bases without chemical degradation
• Coarse 3.0µm pore size removes large particles, aggregates, and visible contaminants before fine filtration
• Exceptional chemical resistance from carbon-fluorine bonds maintains integrity in aggressive solvent systems
• Pre-sterilized by gamma irradiation ensures contamination-free handling for critical applications
• Membrane thickness of 80-140µm balances flow rate efficiency with particle retention performance

Key Construction Characteristics

• Large 33mm diameter provides 4.6cm² filtration area for rapid processing of high-volume samples
• Polypropylene housing ensures broad chemical compatibility with organic and inorganic solvents
• Low 100µL holdup volume minimizes sample loss while maintaining practical handling characteristics
• Dual Luer-Lok/Luer-Slip connections accommodate various syringe sizes and automated systems

SF18248 filters protect expensive downstream membranes by removing coarse particulates from aggressive chemical samples. The 3.0µm pore structure provides high throughput for particulate-laden solutions while pre-sterilized packaging enables immediate use without preparation. Built for prefiltration workflows, this solution delivers chemical resistance through PTFE membrane technology with large filtration area supporting efficient processing of bulk samples at temperatures up to 60°C.

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

Bubble Point (psi)

2.9(absolute ethyl alcohol ）

Burst Pressure (psi)

87psi.

Connection Type

Luer-Lok/Luer Slip

Construction

PP

Diameter

33mm

Filtration Area

4.6cm²

Flow Rate

200ml

Holdup Volume

100μL

Material

Polytetrafluoroethylene (PTFE)

Maximum Operating Pressure

87psi

Maximum Operating Temperature (°C)

60°C

Membrane Thickness (µm)

80-140μm

Pack Count

100

Pore Size (µm)

3.0

Sterility

Sterile

Volume Throughput (ml)

120ml

Weight

1.46

Wetability

Hydrophobic

• High-Volume Prefiltration - Removes coarse particles from bulk solvents, protecting expensive 0.22µm filters from premature membrane clogging
• Sample Clarification - Prefilters process samples and reaction mixtures in pharmaceutical manufacturing, requiring high-throughput processing
• Catalyst Removal - Eliminates heterogeneous catalyst particles from organic synthesis reactions with aggressive solvent compatibility
• Environmental Sample Prep - Clarifies contaminated water and soil extracts before fine filtration in regulatory compliance testing programs
• Dissolution Testing - Removes undissolved excipients and tablet fragments during pharmaceutical quality control dissolution studies
• Viscous Media Processing - Prefilters high-viscosity oils, polymers, and concentrated solutions that would rapidly clog fine membranes