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 in pre-sterilized packaging for efficient prefiltration and coarse particle removal from aggressive chemical systems. High-capacity 33mm diameter filters deliver exceptional 200ml flow rates while protecting downstream fine filters from premature clogging in aseptic applications. Polypropylene housing construction withstands pressures up to 87psi, ensuring reliable performance across sterile protocols.

Key Polytetrafluoroethylene (PTFE) Membrane Characteristics

• Hydrophobic membrane design effectively prefilters organic solvents, acids, and bases without chemical degradation
• Coarse 3.0µm pore size removes large particles, aggregates, and visible contaminants from bulk solutions
• Pre-sterilized by gamma irradiation ensures contamination-free filtration for critical aseptic applications
• Superior chemical resistance from strong carbon-fluorine bonds maintains membrane integrity in harsh solvents
• Membrane thickness of 80-140µm provides an optimal balance between flow rate and particle retention efficiency

Key Construction Characteristics

• Polypropylene housing ensures broad chemical compatibility with organic and inorganic solvent systems
• Large 33mm diameter provides 4.9cm² filtration area for rapid processing of high-volume sterile samples
• Holdup volume of 100µl minimizes sample loss while maintaining practical handling for routine applications
• Luer-Lok/Luer Slip dual connection design accommodates various syringe sizes and automated systems

SF18248 filters maximize your sterile prefiltration efficiency with an impressive 200ml flow rate, significantly reducing processing time for large-volume samples. Pre-sterilized packaging ensures immediate use while your samples maintain complete sterility at operating temperatures up to 60°C. Bubble point specification of 2.9psi using absolute ethyl alcohol confirms consistent pore structure for reproducible sterile coarse filtration results.

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

4.9cm²

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

Sterility

Sterile

Sterilization

Autoclave: 121°C for 30 minutes/ Gamma: 5kg, for 8 hours

Volume Throughput (ml)

120ml

Wetability

Hydrophobic

• Sterile High-Volume Prefiltration - Removes coarse particles from bulk solvents, protecting expensive sterile filters
• Industrial Sample Clarification - Prefilters sterile process samples, reaction mixtures, and formulations in GMP
• Sterile Catalyst Removal - Eliminates heterogeneous catalyst particles from organic synthesis under aseptic conditions
• Environmental Testing Prep - Clarifies sterile, heavily contaminated water and soil extracts for regulatory testing
• Pharmaceutical Dissolution Testing - Removes undissolved excipients and tablet fragments in sterile QC applications
• Viscous Media Processing - Prefilters sterile oils, polymers, and concentrated solutions, preventing filter clogging