Description of PTFE Membrane Filters. PTFE membrane filter is made of polytetrafluoroethylene ultrafine fibers by hot-melt bonding together. Difference from glass fiber membrane, PTFE filter is a kind of membrane material for deep filtration. Membrane filter disc has the following characteristics: membrane filter 0.22 μm is produced from food-grade isotactic polypropylene.

PTFE membrane filters are strong and resistant to acids, bases, and solvents, and stable at high temperatures. With their low background and low tare mass they are ideal for gravimetric or aerosol/gas/vapour sampling. They are also available in preloaded, leak-free cassettes.

The addition of PTFE membrane to standard filter fabrics will on average lower initial permeability from 30-60 CFM to 5-15CFM (depending on the fabric substrate and type of PTFE membrane). Under normal conditions Baghouse.com PTFE membrane filters will operate at 0.5in pressure drop at a 6:1 air-to-cloth ratio.

While air can pass through the PTFE membrane to enable degassing or venting, the PTFE membrane can filter particles as small as 0.1 micron using depth filtration while resisting fluid ingress. With numerous medical and industrial approvals and certifications, Porex Virtek PTFE membrane is up to the most demanding challenges.

MS® PTFE Flat Sheet Membrane Description. MS ® PTFE flat sheet membranes offer the best hydrophilic properties. PTFE flat sheet membranes are perfect for Membrane Bioreactors (MBRs) systems treating municipal wastewater, and wastewater from industries such as Power plants, steel mills, petrochemical plants, textile plants, landfill leachate, etc.The PTFE membrane material affords users the

PTFE Unlaminated Membrane Filters. Our unsupported, hydrophobic, PTFE membrane filters are ideal for sterilization and venting applications involving air, gasses, and solvents/acids incompatible with most other filters. These PTFE filters are chemically and biologically inert, stable up to 260°C, and will withstand the majority of concentrated

Inherently hydrophobic, PTFE membranes will not absorb moisture from air or gases, making it ideal for venting applications, phase separations and aerosol samplings. Laminated PTFE filters can be used to filter aqueous solutions when prewetted with methanol. They are autoclavable up to 130°C.

Sina Ebnesajjad, in Expanded PTFE Applications Handbook, 2017. 7.3.4 Medical and Biological Uses. ePTFE membrane films are hydrophobic and oleophobic, making them a good fit for medical applications. When formed into membranes, films, laminates, and tubular shapes, ePTFE can be used to manufacture a wide variety of medical accessories including wound-care materials, face masks, transducer

Classic Filters first introduced PTFE membranes in 2002. They are most commonly used in sample systems to protect expensive and sensitive analytical equipment. Because they are hydrophobic water is repelled from the surface and pores of the membrane and cannot pass through. The newly introduced oleophobic membranes add a new dimension to the

Magna PTFE (Teflon) Membrane Filters. GVS Filter Technology. air and gas venting pH range: 1-14 PTFE membranes are available with or without laminated polypropylene support. They will not absorb moisture from air or gasses making them ideal for venting applications, phase separations and aerosol sampling.