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Sigracet 22 AA
Price:
From $35.00
Manufacturer has renamed Sigracet 29 AA to Sigracet 22 A. Specifications are unchanged.
Sigracet 22 AA is a non-woven carbon paper gas diffusion media that has no PTFE treatment. It has a total thickness of 180 um (microns). SGL AA 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 22 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 29 AA Carbon Paper Property Sheet
Sigracet 20 and 30 Series Carbon Paper Property Sheet
Sigracet Carbon Fiber GDL White Paper
Sigracet GDS 2D Recommended Applications
| Gas Diffusion Layer Properties | |
| Material Type | Carbon Fiber Paper |
| Thickness | 180 microns +/- 20 microns |
| Basic Weight (g/m²) | 32 +/- 7 g/m² |
| Porosity (%) | 80% |
| Compressibility | ca. 34% (at 1 MPa) |
| Electrical Resistivity (through plane) | < 5 mΩcm² (milliohms cm²) |
| IP Pressure Drop | < 0.4 bar (at 1 MPa) |
| Substrate PTFE Treatment | No PTFE Treatment Applied |
| Microporous Layer | No Microporous Layer Applied |
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