DeWAL ePTFE membrane products are available in multiple widths, thicknesses and densities, allowing designers to dial in their airflow, particulate and liquid ingress protection needs. Made from only PTFE resin, these products can also be sterilized for use in highly clean applications.


  • Densities ranging from 0.2 to over 1.0 g/cc
  • Thicknesses from 0.001 to 0.010 in.
  • Widths as wide as 30 in. on select products


  • Excellent chemical resistance
  • Repels water ingress while allowing air permeability
  • Can be configured to different densities and thickness


Description Language File Type File Size
Data Sheet
DeWAL® DW373TS Data Sheet English
DeWAL® DW353V Datasheet English
DeWAL® DW353V 产品数据表 中文


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