Pyrolytic Graphite Parts
- Corrosion resistance
- High purity, impermeability
- High crystallographic orientation
- Anisotropy of thermal, electrical, magnetic, and mechanical properties
- Pyrolytic Graphite Physical and Chemical Index
Item | Unit | Value |
Bulk Density | g/cm³ | ≥2.10 |
Compressive Strength | MPa | ab Direction ≥ 83.6
c Direction ≥ 320 |
Flexural Strength | MPa | ab Direction ≥ 85 |
Ash | % | ≤0.02-0.005 |
Thermal Conductivity | W/mk | ab Direction:350-400
c Direction:5-10 |
Thermal Expansion (CTE) | /℃ | 393K-1273K (-4.5to1.1)X 10-6 |
Resistance | Ω.cm | ab Direction:2X10-4
c Direction:0.6 |
Melting Point | ℃ | 3250-3650 |
Maximum Operating Temperature | ℃ | 2350-2450 |
Minimum Operating Temperature | ℃ | -273 |
Oxidation Temperature | ℃ | 649 |
Helium Transmission Rate | cm2 | 1X10-10 |