Graphite Specialties

Extruded Graphite

Molded Graphite

Iso-Molded Graphite

EDM Graphite

Our fine grain extruded and isostatic graphite grades have homogenous qualities that makes it easy to machine. Our graphite has similar specifications as the major suppliers in the world. We guarantee the customer a high quality consistent product.

  Properties Bulk Density Particle Size Electrical Resistivity Flexural Strength Compressive Strength
  Grade g/cc inches / mm Ω-inch / µΩm psi / MPa psi / MPa
Block PF 1.65 0.08 / 2 4.0 / 10.0 1850 / 13 3950 / 27
PFR 1.72 0.031 / 0.8 3.1 / 8.0 2300 / 16 5100 / 35
PFR-N 1.77 0.031 / 0.8 3.1 / 8.0 2750 / 19 5650 / 39
Rod PRD 1.65 0.031 / 0.8 3.2 / 8.0 2300 / 16 5100 / 35
PRD-N 1.72 0.031 / 0.8 3.0 / 7.5 2900 / 20 5800 / 40

Brochures

GES Specialty Graphite Brochure

GES Iso-molded Graphite Brochure

Our molded rounds offer diameters up to 72 inches. These materials are suitable for static, vacuum pressure, centrifugal casting molds, induction furnace susceptor rings, and furnace fixturing parts among many others.

  Properties Bulk Density Particle Size Electrical Resistivity Flexural Strength Compressive Strength
  Grade g/cc inches / mm Ω-inch / µΩm psi / MPa psi / MPa
Round PDF 1.67 0.031 / 0.8 4.0 / 10.0 2000 / 14 5000 / 30
PDF-N 1.76 0.031 / 0.8 3.1 / 8.0 2600 / 18 5500 / 38

Brochures

GES Specialty Graphite Brochure

GES Iso-molded Graphite Brochure

GES offers a set of four isostatically molded grades with a very fine grain size, increasing strength and density, and excellent machinability. These materials are perfect for applications including continuous casting, crucibles, heating elements, sintering trays, and electronic encapsulating fixturing.

  Properties Bulk Density Particle Size Electrical Resistivity Flexural Strength Compressive
Strength
  Grade g/cc inches / µm Ω-inch / µΩm psi / MPa psi / MPa
Multi-Purpose PFI-15 1.78 0.0006 / 15 4.6 / 11.7 5800 / 40 11000 / 76
PFI-25 1.80 0.0005 / 12 5.0 / 12.5 7850 / 54 14800 / 102
PFI-35 1.86 0.0004 / 10 6.8 / 17.0 9300 / 64 17500 / 121
PFI-45 1.93 0.0002 / 5 6.0 / 15.0 10750 / 74 20000 / 138

Brochures

GES Specialty Graphite Brochure

GES Iso-molded Graphite Brochure

GES offers a complete family of graphite grades fully suited for roughing, general finishing, and close detail finishing. The very fine 5 micron grain size allows for fine detail machining of thin cross sections and very smooth finished surfaces. These grades are recognized worldwide and offer guaranteed, consistent, highly efficient EDM performance.

  Properties Bulk Density Particle Size Electrical Resistivity Flexural Strength Compressive
Strength
  Grade g/cc inches / µm Ω-inch / µΩm psi / MPa psi / MPa
EDM PFE-3 1.80 0.0004 / 10 5.2 / 13.0 7250 / 50 13750 / 95
PFE-6 1.85 0.0002 / 5 6.0 / 15.0 8850 / 61 16800 / 116
PFE-9 1.93 0.0002 / 5 6.0 / 15.0 10750 / 74 20500 / 141

Brochures

GES Specialty Graphite Brochure

GES Iso-molded Graphite Brochure