Sigracet 38 BC

Brand: SGL Carbon
Product Code: 1592028

Price:
$180.00

Qty: - +
   - OR -   

Sigracet 38 BC is a non-woven carbon paper with a Microporous Layer (MPL) that has been PTFE treated to 5 wt%.  It has a total thickness of 325 um (microns).  SGL 38 BC is a great low-cost alternative to conventional woven carbon paper Gas Diffusion Layer (GDL) materials.

The Sigracet Carbon Fiber Paper 38 Series is intended to combine the required production robustness and the excellent performance properties.  Stack developers and assemblers are benefiting from the following greatly improved characteristics:

  • Greatly improved homogeneity inter-lot and intra-lot.  The overall variability has been shown to be better than +/- 10% (2 sigma)
  • Greatly improved surface flatness
  • Greatly reduced occurrence of faulty spots on a roll
  • Best performance under various operating conditions

Sigracet 38 BC is currently only available in 45 x 40 cm sheets and has a current lead time of approximately 3 weeks.

Gas Diffusion Layer Properties
Material Type Carbon Fiber Paper
Thickness 325 microns +/- 25 microns
Air Permeability (s) 0.2 - 0.4 cm³/(cm²*s)
Areal Weight 125 +/- 10 g/m²
Porosity (%) 80%
Compressibility ca. 14% (at 1 MPa)
Electrical Resistivity (through plane) < 11 mΩcm² (milliohms cm²)
IP Pressure Drop 0.5 bar (at 1 MPa)
PTFE Treatment 5%
Microporous Layer Yes, on one side

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