Tisch
PTFE Hydrophilic Syringe Filters, 0.45um, 30mm, Luer-Lok/Luer Slip, Nonsterile, 100/Pk SKU: SF18138

Polytetrafluoroethylene (PTFE) Syringe Filters - SF18138

Featuring advanced hydrophilic PTFE membrane technology at 0.45μm pore size, engineered for high-volume clarification applications where exceptional flow rates and large-capacity processing are essential. Surface-modified fluoropolymer chemistry eliminates pre-wetting requirements while delivering remarkable 59ml flow rates for accelerated sample preparation. Environmental monitoring, industrial quality control, and high-throughput analytical laboratories demand robust filtration solutions that reduce time without sacrificing clarification performance or sample integrity. Construction specifications include expanded 30mm diameter platform with 4.9cm² filtration area, polypropylene prefilter integration extending membrane operational life, and 100μL holdup volume optimization supporting 110ml throughput capacity for demanding large-volume clarification workflows.

Key PTFE Membrane Characteristics

• High-Performance 0.45μm Clarification - Removes interfering particles and debris while maintaining passage of dissolved components for accurate analytical measurements
• Hydrophilic Surface Modification - Proprietary treatment eliminates alcohol pre-wetting procedures, enabling immediate aqueous sample processing
• Enhanced Chemical Stability - Maintains compatibility with aggressive analytical solvents throughout extended filtration campaigns and diverse applications
• Low Protein Adsorption Characteristics - Preserves proteins and biologics through minimal surface binding during clarification processes
• 21.75psi Bubble Point Validation - Ensures consistent pore structure and filtration performance across manufacturing lots and production batches

Key Construction Characteristics

• 100μL Holdup Volume - Preserves samples through optimized dead volume design, balancing recovery efficiency with high-volume processing requirements
• Expanded 30mm High-Capacity Platform - 4.9cm² effective area enables rapid processing of large sample volumes up to 110ml capacity
• Integrated Polypropylene Prefilter - Extends primary membrane operational life through particulate removal before fine filtration stage
• Universal Dual Luer Connection - Luer-Lok/Luer Slip compatibility provides a secure interface with all standard laboratory syringe configurations

Designed for your demanding high-volume clarification requirements, this hydrophilic PTFE system delivers a safety margin through 87psi maximum operating pressure while providing rapid throughput at 59ml flow rates. Your laboratory operations benefit from accelerating processing through exceptional flow characteristics and extended membrane life via prefilter protection, while the expanded filtration capacity ensures consistent performance across large-volume analytical campaigns and challenging sample matrices.

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

Bubble Point (psi)

21.75psi

Connection Type

Luer-Lok/ Luer Slip

Construction

PP

Diameter

30mm

Filtration Area

4.9cm²

Flow Rate

59ml

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)

0.45

Prefilter (Yes/No)

Yes

Prefilter Material

PP

Sterility

NonSterile

Sterilization

Autoclave 121°C for 30min/ Gamma 25kGy

Volume Throughput (ml)

110ml

Wetability

Hydrophilic

• Environmental Water Analysis - Clarifies turbid water samples for trace contaminant analysis and regulatory compliance monitoring programs
• Industrial Process Control - Removes suspended solids from manufacturing process streams before quality control testing and analysis
• HPLC Sample Preparation - Clarifies large-volume analytical samples for chromatographic analysis while protecting column integrity
• Food and Beverage Testing - Filters production samples for microbiological and chemical analysis in manufacturing quality control
• Paint and Coating Analysis - Clarifies viscous formulations for particle size distribution and contamination assessment procedures
• Pharmaceutical Quality Control - Processes bulk samples for optical density measurements and spectroscopic analysis in release testing