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