Tisch
PTFE Syringe Filters, 0.45um, 4mm, Luer-Lok/Luer Slip, Nonsterile, 200/Pk SKU: SF17505

Polytetrafluoroethylene (PTFE) Syringe Filters - SF17505

Featuring hydrophobic PTFE membrane technology with 0.45µm pore size for precise clarification of microscale samples in aggressive solvent systems. Ultra-compact 4mm diameter filters minimize sample loss with just 1µl holdup volume while ensuring effective particle removal. Polypropylene housing construction maintains chemical compatibility at pressures up to 87psi for reliable microscale clarification.

Key Polytetrafluoroethylene (PTFE) Membrane Characteristics

• Hydrophobic membrane design effectively clarifies organic solvents, acids, and bases without chemical interaction
• Precision 0.45µm pore size removes particles and suspended solids from precious samples requiring clarification
• Exceptional chemical resistance from strong carbon-fluorine bonds maintains stability in caustic environments
• Membrane thickness of 80-140µm optimizes retention efficiency while maintaining flow for ultra-small volumes
• Autoclavable at 121°C for 30 minutes or gamma sterilizable at 25kGy for contamination-free processing

Key Construction Characteristics

• Polypropylene housing ensures broad chemical compatibility with organic and inorganic solvents
• Microscale 4mm diameter with 0.125cm² filtration area, ideal for ultra-low volume applications
• Industry-leading 1µl holdup volume maximizes recovery of expensive or irreplaceable samples
• Luer-Lok/Luer Slip dual connection compatibility works with precision syringes and microvolume systems

When you're working with irreplaceable samples, this 4mm filter gives you exceptional recovery—just 1µl holdup volume means you lose almost nothing. The controlled 1.5ml flow rate lets you process carefully without rushing, while the 1ml throughput handles multiple preparations from your limited material. With bubble point verification at 7.25psi, you're getting consistent clarification results every time, critical when sample availability is your constraint.

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

Bubble Point (psi)

7.25psi.

Burst Pressure (psi)

87psi.

Connection Type

Luer-Lok/ Luer Slip

Construction

PP

Diameter

4mm

Filtration Area

0.125cm²

Flow Rate

1.5ml

Holdup Volume

1μL

Incompatibility

Aqueous samples without rewetting

Material

Polytetrafluoroethylene (PTFE)

Maximum Operating Pressure

87psi

Maximum Operating Temperature (°C)

60°C

Membrane Thickness (µm)

80-140μm

Pack Count

200

Pore Size (µm)

0.45

Sterility

NonSterile

Sterilization

Autoclave 121°C for 30min/ Gamma 25kGy

Volume Throughput (ml)

1ml

Weight

0.24

Wetability

Hydrophobic

• Microscale Sample Clarification - Removes particles from microliters of precious reagents and analytical reference standards
• NMR Sample Preparation - Clarifies deuterated solvents and expensive isotope-labeled compounds for nuclear magnetic resonance studies
• High-Value API Processing - Filters costly active pharmaceutical ingredients while minimizing material loss in development work
• Mass Spectrometry Prep - Eliminates particulates from LC-MS injection samples, preventing column and ion source contamination
• Protein Crystal Solutions - Clarifies crystallization screening buffers and protein solutions for structural biology research work
• Analytical Method Development - Prepares limited-volume test samples for analytical method validation and optimization research studies