LabExact
PTFE Membrane Filter, Hydrophobic, 0.45µm, 25mm, PP Scrim Support, Nonsterile, 100/Pk SKU: LE-IWT-PTFE-045025

Featuring hydrophobic polytetrafluoroethylene (PTFE) membrane technology delivering inherently hydrophobic properties that resist moisture absorption from air or gases, making these filters ideal for venting applications, phase separations, and aerosol sampling protocols. The polypropylene scrim bonding utilizes a unique technique with no bonding agents, ensuring exceptional purity and chemical compatibility with lower extractables for critical analytical applications. Hydrophobic material effectively separates polar and nonpolar solvents, while aqueous solutions can pass after prewetting with methanol.

Key PTFE Membrane Characteristics

Superior chemical compatibility with aggressive solutions maintains integrity during exposure to corrosive chemicals and extreme pH conditions
Inherent hydrophobic and non-stick nature allows removal of particulate captured on membrane surface for extended service life
Air passes easily through the membrane while collecting particulate as small as 0.1 micron on its surface for precise filtration control
0.45µm pore size provides optimal balance of particulate retention and flow characteristics for diverse laboratory applications
Maximum operating temperature of 260°C withstands thermal sterilization and high-temperature processing conditions

Key Construction Characteristics

Polypropylene scrim support provides enhanced handling strength while maintaining membrane flexibility and installation ease
Easy handling with reduced cracking and fracturing compared to traditional cellulose nitrate membranes minimizes waste and processing delays
Pure surface with no additional smoothing treatment or surfactants eliminates contamination risks in trace analysis applications
25mm diameter accommodates standard filtration apparatus and laboratory equipment configurations for seamless integration
Nonsterile format optimized for routine analytical and industrial processing where sterility validation is not required

LE-IWT-PTFE-045025 membranes excel in air, gas, and vent filtration applications while delivering reliable performance for phase separations and aerosol sampling. Outstanding chemical resistance enables processing of aggressive solvents and corrosive media, accelerating your analytical workflows. Compatible with non-aqueous fluids and adaptable for aqueous solutions through methanol prewetting, these versatile filters maximize your laboratory's filtration capabilities across diverse analytical protocols requiring both chemical inertness and superior particulate retention efficiency.