HPD Graphite

Interested in HPD graphite?

Interested in HPD graphite?

Interested in Post Processing Options?

Interested in Post Processing Options?


  • Carbon targets
  • High-density applications
  • Pressure joining and molding applications


Particle Size 5 µm (200 µin)
Pore size1 0.8 µm (32 µin)
Coefficient of thermal expansion2 8.1 µm/m°C (4.5 µin/in°F)
Compressive strength 156 MPa (22,600 psi)
Flexural strength3 90 MPa (13,000 psi)
Tensile strength4 63 MPa (9100 psi)
Shore hardness 80
Electrical resistivity 1815 µΩ-cm (715 µΩ-in)
Apparent density 1.76 g/cm3 (0.0636 lb/in3)
Thermal conductivity5 85 W/m-K (50 Btu-ft/hr/ft2°F)
Oxidation threshold6 455° C (850° F)

1Measured using Hg porosimetry method. 2Average for temperature range of RT - 800°C. 3Measured using four-point bend method. 4Estimated at 70% of flexural strength. 5Estimated value. 6Temperature that results in 1% wt. loss in 24 hours. Oxidation threshold increases by approximately 100°C if graphite is purified. Test sample size equals 0.5" x 0.5" x 1.0".


Grade Chart

Industrial Graphite Grades Table


Graphite Properties and Characteristics


Industrial Material Solutions