Polytetrafluoroethylene (PTFE) Syringe Filters - SF14475
Featuring hydrophobic PTFE membrane technology in sterile packaging for aggressive organic solvent clarification requiring contamination-free processing. A 0.45µm pore configuration delivers efficient particulate removal while maintaining complete chemical inertness to concentrated acids, bases, and challenging reagents. Tisch Scientific combines ultra-resistant PTFE membranes with optimized 25mm construction to provide certified sterile clarification of chemically aggressive samples at production scale.
Key Polytetrafluoroethylene (PTFE) Membrane Characteristics
- Hydrophobic membrane requires alcohol pre-wetting for aqueous solution compatibility
- Universal chemical resistance handles all organic solvents, acids, and bases without degradation
- Exceptional thermal stability maintains performance at 60°C continuous operating conditions
- 0.45µm pore size provides reliable clarification and coarse particulate removal
- Sterile individual packaging ensures contamination-free filtration for sensitive applications
Key Construction Characteristics
- Polypropylene housing delivers chemical resistance while withstanding 87psi burst pressure
- Dual Luer-Lok/Luer Slip compatibility accommodates all standard syringe configurations
- Standard 25mm diameter optimizes flow rate and capacity for routine sterile processing
- 100µl holdup volume minimizes loss when filtering valuable sterile reagents
SF14475 syringe filters achieve exceptional 35ml/min flow rates through a 4.08cm² active membrane area, accelerating your sterile sample processing even with viscous organic solvents. Outstanding 100ml throughput capacity maximizes your laboratory efficiency when filtering challenging matrices requiring certified sterility. Pre-sterilized units maintain 7.25psi bubble point integrity in absolute ethyl alcohol, ensuring reliable performance for your critical applications demanding both absolute chemical resistance and validated contamination-free processing.
For more information about chemical and material compatibility, please review our Chemical Compatibility Chart.
- Bubble Point (psi)
- 7.25(absolute ethyl alcohol )
- Burst Pressure (psi)
- 87psi.
- Connection Type
- Luer-Lok/ Luer Slip
- Construction
- PP
- Diameter
- 25mm
- Filtration Area
- 4.08cm²
- Flow Rate
- 35ml
- Holdup Volume
- 100μL
- 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
- 100
- Pore Size (µm)
- 0.45
- Sterility
- Sterile
- Sterilization
- Autoclave: 121°C for 30 minutes/ Gamma: 5kg, for 8 hours
- Volume Throughput (ml)
- 100ml
- Wetability
- Hydrophobic
- Aggressive solvents - Sterile clarification of THF, DMF, DMSO for aseptic cell culture work
- HPLC sample prep - Sterile particulate removal from samples in organic mobile phases
- Strong acid filtration - Sterile handling of concentrated HCl, H2SO4, HNO3 for trace analysis
- Protein precipitation - Sterile clarification after TCA or organic solvent precipitation
- Tissue culture - Sterile filtration of organic solvents for fixation and extraction protocols
- Pharmaceutical testing - Sterile sample preparation for dissolution testing in aggressive media