Fuel Cell Grade Graphite Plates can be machined on both sides to be used as bi-polar plates. These plates exhibit high electrical and thermal conductivity, incredible resistance to chemicals, and are densified and resin-filled for low permeability.
Thickness Tolerance: +/- 0.003 in
Length and Width Tolerance: +/- 0.1 in
Technical Specifications:
- Bulk density: 1.95 g/cm3
- Particle size: 13 - 15 microns
- Shore hardness: 85 HSD
- Breaking strength: 60 MPa
- Compressive strength: 200 MPa
- Max temperature it can handle in oxidative environments: 200 deg C
- Electric Resistivity: 11 - 13 micro.Ohm.meter
- Coefficient of Expansion: 4.8 x 10^-6 per deg C