Tisch
Hydrophilic PTFE Syringe Filters w/ 3 Pre-Filters, 0.45 um, 25mm, 100 /Pk SKU: SF18303

Polytetrafluoroethylene (PTFE) Syringe Filters - SF18303

Featuring advanced hydrophilic PTFE membrane technology at 0.45μm pore size combined with triple-stage prefilter architecture, engineered for high-particulate clarification applications where extended operational life and rapid throughput are essential. Dual glass fiber layers plus polypropylene protection deliver exceptional dirt-loading capacity preventing premature membrane fouling. Environmental water analysis, industrial process monitoring, and turbid sample clarification applications demand robust filtration solutions that maintain consistent flow rates across challenging particulate loads without membrane replacement. Construction specifications include 25mm diameter platform with 4.08cm² filtration area, triple prefilter system extending operational life, and 100μL holdup volume optimization delivering exceptional 35ml flow rates with 50ml throughput capacity for demanding high-particulate clarification workflows requiring both processing speed and extended membrane longevity.

Key PTFE Membrane Characteristics

High-Performance 0.45μm Clarification - Removes interfering particles while maintaining dissolved component passage for accurate analytical measurements
Hydrophilic Surface Engineering - Proprietary treatment eliminates alcohol pre-wetting procedures, enabling immediate aqueous sample processing
Enhanced Chemical Resistance - Maintains compatibility with diverse analytical solvents throughout extended clarification campaigns
Low Protein Adsorption Platform - Preserves proteins and biologics through minimal surface binding during sample processing workflows
21.75psi Bubble Point Validation - Ensures consistent pore structure integrity and clarification performance across manufacturing batches

Key Construction Characteristics

100μL Holdup Volume - Minimizes loss through optimized dead space design, balancing recovery efficiency with medium-volume processing requirements
Triple-Stage Prefilter Architecture - Dual glass fiber layers plus polypropylene protection provide exceptional particulate capacity, preventing membrane fouling
25mm Extended-Life Platform - 4.08cm² effective area enables processing of high-particulate samples up to 50ml without premature blockage
Universal Dual Luer Connection - Luer-Lok/Luer Slip interface ensures secure integration with all standard laboratory syringe systems

Designed for your most challenging high-particulate clarification requirements, this hydrophilic PTFE system delivers a safety margin through 87psi maximum operating pressure while providing rapid throughput at 35ml flow rates. Your laboratory operations benefit from extended processing campaigns through triple prefilter protection, preventing premature membrane fouling, while the optimized construction ensures consistent clarification performance across demanding applications where high dirt-loading capacity and efficient particulate removal are simultaneously critical operational requirements.

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