Sigracet 29 BA

Brand: SGL Carbon
Product Code: 9131611

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This product has been discontinued and we do not have any remaining in stock.

Sigracet 29 BA is a non-woven carbon paper gas diffusion media.  It has a total thickness of 190 um (microns).  SGL BA is a great low-cost alternative to conventional woven carbon paper Gas Diffusion Layer (GDL) and Gas Diffusion Media materials.

The Sigracet Carbon Fiber Paper 29 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
Gas Diffusion Layer Properties
Material Type Carbon Fiber Paper
Thickness 190 microns +/- 30 microns
Basic Weight (g/m²) 40 +/- 10 g/m²
Electrical Resistivity (through plane) < 6 mΩcm² (milliohms cm²)
IP Pressure Drop 0.4 bar (at 1 MPa)

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