Laboratory Products - PTFE (Teflon) Membrane Filters

PTFE (Teflon) Membrane Filters

PTFE (Polytetrafluorethylene). The hydrophobic nature of teflon and its broad chemical compatibility make it the filter of choice for filtration of air and gases, for use as vents and for clarification of acids, bases and solvents. The teflon membrane needs to be prewet with alcohol before aqueous solutions can be filtered. To overcome problems with handling the teflon membrane is laminated to a polypropylene web support. This lamination process restricts the temperature tolerance of the teflon to that of polypropylene (130°C .)

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