| Density | g/cm³ | 1.85 |
| Specific Resistance | µΩm | 11.0 |
| Young’s Modulus | GPa | 10.8 |
| Flexural Strength | MPa | 49 |
| Tensile Strength | MPa | 31.4 |
| Hardness | Shore | 58 |
| C.T.E. | x10-6/°C | 5.5 |
| Thermal Conductivity | W/mk | 116 |
| Pore Size | µm | 2.5 |
| Porosity | % | 12 |
| Grain Size | µm | 11 |
| Gas Permeability | cm²/sec | 0.30 |
G347S Graphite
G347S is a purified, medium grain size, graphite.
| Impurity (ppm) | |||||||||
| Grade | Al | B | Ca | Fe | Ni | Si | Ti | V | Total Ash |
| Standard | 0.48 | 1 | 74 | 15 | 1.7 | 23 | 28 | 7.6 | 300 |
| S | <0.08 | <0.7 | <0.04 | <0.06 | <0.1 | 1 | <0.09 | <0.07 | <20 |
| SS | <0.08 | 0.2 | <0.04 | <0.04 | <0.1 | <0.1 | <0.09 | <0.07 | <5 |
