Tisch
CA Syringe Filter, 0.45um, 4 mm, Luer-Lok/Luer Slip, Sterile, 100/Pk SKU: SF18202

Cellulose Acetate (CA) Syringe Filters - SF18202

Featuring a 0.45µm cellulose acetate membrane with 23.2psi bubble point validation, gamma sterilization packaging, and polypropylene prefilter integration for micro-volume biological samples requiring contamination-free clarification without preparation steps or delays. Ready-to-use sterile construction eliminates workflow interruptions. Hydrophilic wetting characteristics combined with 1µL holdup volume and low protein binding ensure efficient clarification for biological applications demanding immediate performance.

Key Cellulose Acetate Membrane Characteristics

• 0.45µm pore size delivers effective clarification for biological samples, removing particulates and cellular debris while maintaining solution clarity
• Hydrophilic cellulose acetate construction provides instant aqueous sample wetting without pre-treatment requirements, streamlining laboratory workflows
• Low protein binding characteristics maintain biomolecule concentrations throughout filtration, preserving sample integrity for quantitative downstream analysis
• Withstands aqueous biological matrices and buffer solutions while requiring protection from aggressive organic solvents and harsh chemicals
• 80-170µm membrane thickness ensures mechanical robustness and consistent filtration performance across diverse micro-volume applications

Key Construction Characteristics

• 1µL holdup volume minimizes loss in micro-volume applications where complete sample recovery impacts experimental accuracy
• Polypropylene housing rated to 87psi burst pressure and 60°C maximum temperature accommodates routine laboratory processing conditions
• Luer-Lok inlet with Luer Slip outlet connection provides secure syringe attachment and convenient sample recovery
• 0.125cm² filtration area with integrated polypropylene prefilter captures large particulates before membrane contact, extending filter operational life

Built to support your micro-volume clarification requirements where contamination control and immediate availability are essential, gamma-sterilized construction provides ready-to-use convenience. Validated 23.2psi bubble point combined with low protein binding membrane construction delivers reliable particulate removal without biomolecule losses throughout processing. Sterile packaging supports your laboratory operations requiring economical yet dependable clarification for biological samples, pharmaceutical testing, and environmental applications where contamination-free processing and sample recovery determine analytical success.

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

Bubble Point (psi)

23.2psi

Connection Type

Luer-Lok/ Luer Slip

Construction

PP

Diameter

4mm

Filtration Area

0.125cm²

Flow Rate

2ml

Holdup Volume

1µl

Material

Cellulose Acetate (CA)

Maximum Operating Pressure

87psi

Maximum Operating Temperature (°C)

60°C

Membrane Thickness (µm)

80-170μm

Pack Count

100

Pore Size (µm)

0.45

Prefilter (Yes/No)

Yes

Prefilter Material

PP

Sterility

Sterile

Volume Throughput (ml)

1ml

Weight

0.33

Wetability

Hydrophilic

• Biological Sample Clarification - Removes cellular debris from lysates and culture supernatants before analysis, ensuring accurate spectrophotometric readings
• Aqueous Protein Solutions - Filters protein formulations with minimal adsorption while removing aggregates that interfere with purification efficiency
• Cell Culture Media Processing - Clarifies media components and supplements, removing particulates while preserving growth factors essential for cell health
• HPLC Sample Preparation - Protects analytical columns from particulate blockage by clarifying aqueous samples before injection for consistent performance
• Environmental Water Testing - Prepares ground water and surface water samples for analytical testing without introducing organic membrane contamination
• Pharmaceutical QC Analysis - Clarifies in-process samples and finished products for visual inspection and analytical testing in quality control laboratories