PTFE membrane filter cartridge for gas
ETM Critical Process Filtration

ETM Filter Cartridges are designed to meet the special
needs of the electronics and high-purity chemical industries.
Polytetrafluoroethylene (PTFE) membrane is resistant to virtually
all chemicals. Because of the hydrophobic nature of PTFE, it can
also be used to filter process gases. Pre-wetted ETM filters are
available for liquids with surface tension too high to wet out PTFE
membrane. This membrane will also handle elevated process
temperatures in compatible fluids. To minimize extractables, each
cartridge module is pulse power flushed until the rinse effluent
reaches 18+ Megohm-cm and less than 3 ppb TOC. Each cartridge
module is also individually tested for integrity

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