Sigracet 35 BC - 5cm x 5cm

Brand: SGL Carbon
Product Code: 1592001


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Sigracet 35 BC is a non-woven carbon paper with a Microporous Layer (MPL) that has been PTFE treated to 5%. It has a total thickness of 325 um (microns). SGL 35 BC is a great low-cost alternative to conventional woven carbon cloth Gas Diffusion Layer (GDL) materials.

The Sigracet Carbon Fiber Paper 35 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 35 BC was discontinued in January 2016 and permanently replaced by Sigracet 39 BC.

Gas Diffusion Layer Properties
Material Type Carbon Fiber Paper
Thickness 325 microns +/- 25 microns
Basic Weight (g/m²) 110 +/- 10 g/m²
Air Permeability (s) 1.50 +/- 1.00 cm³/(cm²*s)
Porosity (%) 80%
Electrical Resistivity (through plane) < 15 mΩcm² (milliohms cm²)
PTFE Treatment 5%
Microporous Layer Yes, on one side

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