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0.05mm Expanded PTFE (ePTFE) Membrane

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Product Details

Form Type
Film
Material
ePTFE
Opacity
Opaque
Color
White
Thickness
0.05mm (0.002'')

Features

  • Melting point: ~327°C (Gel point)
  • Density of ePTFE: 0.5 to 1.5 g/cm³ (highly dependent on porosity)
  • Chemical resistance of ePTFE:
  • Continuous temperature: -200°C to +260°C, soft and flexible material with extreme thermal stability
  • High tensile strength due to unique node-and-fibril microstructure
  • High-performance material with specialized expansion processing
  • Excellent UV and weathering resistance (non-aging properties)
  • Low dielectric constant with superior electrical insulating properties
  • Hydrophobic and Oleophobic: Repels water and oils while allowing vapor transmission (breathable)
  • Biocompatible and FDA compliant (USP Class VI)

Applications

  1. Waterproof acoustic vents (IP67/68) for electronics
  2. Automotive pressure equalization vents (Headlamps/ECUs)
  3. High-efficiency industrial dust filtration bags
  4. Biocompatible vascular grafts and surgical patches
  5. Chemically inert joint sealant tapes and gaskets
  6. Sterile medical vents for IV sets and ostomy bags

Processing Options

Choose from our comprehensive range of precision machining, surface finishing, thermal treatment, and quality inspection services. Each option is designed to meet the most demanding industrial specifications and tolerances.

Precision Die-Cutting Machine

Die-Cutting

Die-Cutting Services
Sheet Slitting Process

Slitting

Film Laminating Process

Laminating & Protection

Laser Cutting Engraving

Laser Cutting

Specifications

PROPERTIESVALUEUNITPARAMETERNORM
DXPML-50
Thickness0.05mmLaser non-contact test
Mean Pore Size0.35μm
Air Permeability50~70L/m²·s
First Bubble Point70kPaAnhydrous Ethanol
Hydrostatic Pressure120kPa
DXPML-80
Thickness0.08mmLaser non-contact test
Mean Pore Size0.28μm
Air Permeability40~60L/m²·s
First Bubble Point90kPaAnhydrous Ethanol
Hydrostatic Pressure150kPa
DXPML-120
Thickness0.12mmLaser non-contact test
Mean Pore Size0.22μm
Air Permeability35~55L/m²·s
First Bubble Point130kPaAnhydrous Ethanol
Hydrostatic Pressure160kPa

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