Tisch
Polypropylene Syringe Filters, 0.45um, 25mm, Luer-Lok/Luer Slip, Nonsterile, 100/Pk SKU: SF14691

Polypropylene (PP) Syringe Filters - SF14691

Laboratory professionals processing aqueous samples encounter challenges balancing clarification performance with economical operation when premium membrane materials exceed budget constraints for routine analytical workflows. Advanced 0.45 µm hydrophobic polypropylene membrane technology with 25mm diameter resolves these challenges through cost-effective particle removal. The 4.08 cm² filtration area with 35 ml flow rate delivers reliable clarification across compatible aqueous and alcohol-based systems where laboratories require dependable particulate removal.

Key Polypropylene Membrane Characteristics

• Hydrophobic Surface Chemistry - Requires simple alcohol pre-wetting to achieve immediate aqueous compatibility, enabling flexible processing across diverse laboratory applications
• Economical Clarification Solution - Delivers reliable 0.45 µm particle retention at significantly lower cost than premium PVDF or PTFE alternatives
• Particulate Removal Performance - Removes suspended particles and cellular debris, protecting downstream analytical instrumentation from contamination and fouling
• Selective Chemical Compatibility - Works effectively with aqueous solutions and alcohols while avoiding esters and aromatic hydrocarbons for stable operation
• 60°C Thermal Stability - Maintains structural integrity throughout moderate temperature processing conditions, supporting diverse analytical applications

Key Construction Characteristics

• 100 µL Optimized Holdup Volume - Minimizes sample loss through controlled dead volume design, maximizing recovery in standard analytical workflows
• Polypropylene Housing with 60°C Rating - Provides the chemical resistance and thermal stability you need for dependable laboratory operations
• Dual Luer-Lok/Luer Slip Connection - Offers attachment flexibility that works seamlessly with virtually any syringe type in your laboratory equipment setup
• 4.08 cm² Filtration Area - Delivers 35 ml flow rate supporting efficient processing of standard-volume samples without compromising clarification performance

When your clarification workflows demand particulate removal without straining operational budgets, polypropylene technology delivers proven performance. The 0.45 µm membrane ensures reliable clarity while economical construction keeps per-sample costs manageable. Your laboratory maintains quality standards with validated particulate retention, broad compatibility with aqueous and alcohol-based systems, and 100 µL holdup design preserving samples across routine analytical testing and quality control applications.

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

Bubble Point (psi)

7.40psi

Burst Pressure (psi)

87psi.

Connection Type

Luer-Lok/ Luer Slip

Construction

Polypropylene (PP)

Diameter

25mm

Filtration Area

4.08cm²

Flow Rate

35ml

Holdup Volume

100μL

Incompatibility

Esters, hexane, toluene, benzene, dichloromenthan

Material

Polypropylene (PP)

Maximum Operating Pressure

87psi

Maximum Operating Temperature (°C)

60°C

Membrane Thickness (µm)

140-260μm

Pack Count

100

Pore Size (µm)

0.45

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclave 121°C for 30min/ gamma 25kGy

Volume Throughput (ml)

50ml

Weight

0.52

Wetability

Hydrophobic

• Aqueous Sample Clarification - Removes particulates from water-based solutions, protecting HPLC columns and analytical systems
• Alcohol-Based Solution Processing - Clarifies ethanol and methanol samples for analytical testing, maintaining chemical compatibility
• Buffer Solution Filtration - Processes biological buffers, removing particles for cell culture and protein chemistry applications
• Environmental Sample Preparation - Clarifies aqueous extracts for contaminant analysis, supporting regulatory testing protocols
• Quality Control Testing - Processes routine analytical samples, removing interfering particulates for spectroscopic measurements
• Educational Laboratory Applications - Provides economical clarification for teaching environments and routine testing workflows