Riverport Technologies is your source for POCO Graphite. Scroll below to see our selection, or click on one of the links below.

EDM-1 | EDM-2 | EDM-3 | EDM-100 | EDM-200 | EDM-C200 | EDM -C3 | EDM -AF5

POCO EDM-1

POCO's EDM-1 is the lowest priced Ultrafine grain graphite available from POCO.In addition to providing good wear resistance, speed, and finish, lower electrode fabrication costs are possible when larger electrodes are required.

Product Specification

  • Average Particle Size (microns) <5
  • Flexural Strength (psi) 7,500
  • Compressive Strength (psi) 15,000
  • Average Apparent Density (g/cm3) 1.66
  • Hardness (Shore) 70
  • Electrical Resistivity (micro-ohm-in) 740

Applications

  • Fabricating electrodes with less intricate detail
  • Low wear roughing electrodes
  • Extrusion die relief cutting
  • High detail roughing electrodes
  • Molds and dies

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POCO EDM-2

POCO's EDM-2 is an isotropic Ultrafine grain graphite with high strength and good wear characteristics recommended where good detail, wear resistance, speed, and finish are desired. EDM-2 is an excellent all purpose grade for super alloys like titanium.

Product Specification

  • Average Particle Size (microns) <5
  • Flexural Strength (psi) 10,000
  • Compressive Strength (psi) 18,000
  • Average Apparent Density (g/cm3) 1.74
  • Hardness (Shore) 73
  • Electrical Resistivity (micro-ohm-in) 620

Applications

  • Aerospace applications
  • Fine-detailed electrodes
  • Extrution dies
  • Minimum-taper-cavities
  • Blind cavity work
  • Threading electrodes

 

POCO EDM-3

POCO's EDM-3 is an isotropic Ultrafine grain graphite which offers high strength with outstanding wear and fine surface finish characteristics easily machined to thicknesses of .005 or less.

Product Specification

  • Average Particle Size (microns) <5
  • Flexural Strength (psi) 13,500
  • Compressive Strength (psi) 21,500
  • Average Apparent Density (g/cm3) 1.81
  • Hardness (Shore) 76
  • Electrical Resistivity (micro-ohm-in) 540

Applications

  • EDMing of fine detailed electrodes
  • Punch & die sets
  • Plastic injection molds
  • Threading electrodes
  • Use in aerospace metal cutting

 

POCO EDM-100

POCO's EDM-100 is an all-purpose isotropic Fine particle graphite whose physical properties meet the needs of the majority of intermediate grade EDM applications. Economically priced, EDM-100 is an ideal roughing material and is available in large block size.

Product Specification

  • Average Particle Size (microns) 20
  • Flexural Strength (psi) 6,500
  • Compressive Strength (psi) 12,500
  • Average Apparent Density (g/cm3) 1.72
  • Hardness (Shore) 58
  • Electrical Resistivity (micro-ohm-in) 480

Applications

  • Large cavity molds
  • Forgings
  • Large die cast dies
  • Large extrusion dies
  • Roughing electrodes

 

POCO EDM-200

POCO's EDM-200 is an isotropic Superfine particle graphite providing good strength, surface finish, and wear resistance Moderately priced, EDM-200 provides excellent repeatability from electrode to electrode and from job to job.

Product Specification

  • Average Particle Size (microns) 10
  • Flexural Strength (psi) 9,000
  • Compressive Strength (psi) 16,000
  • Average Apparent Density (g/cm3) 1.82
  • Hardness (Shore) 64
  • Electrical Resistivity (micro-ohm-in) 480

Applications

  • Forging dies
  • Die cast dies
  • Large blow molds
  • High quality roughing electrodes
  • Non-critical tolerance in larger electrodes

 

 

POCO EDM-C200

POCO's EDM-C200 is a high density Superfine graphite infiltrated with copper which offers excellent metal removal rates and good wear resistance. EDM-C200 provides improved cutting stability in poor flushing conditions. EDM-C200 is an excellent material for cutting aerospace alloys.

Product Specification

  • Average Particle Size (microns) 10
  • Flexural Strength (psi) 13,000
  • Compressive Strength (psi) 23,000
  • Average Apparent Density (g/cm3) 3.00
  • Hardness (Shore) 60
  • Electrical Resistivity (micro-ohm-in) 70

Applications

  • Aerospace exotic metal cutting
  • High quality roughing electrode
  • Die cast dies
  • Forging dies

 

 

POCO EDM-C3

POCO's EDM-C3 is a high density graphite infiltrated with copper, recommended where speed, wear, and surface finish are important. Unequalled for fragile electrodes, many EDM'ers choose this grade to compensate for operator inexperience or where poor flushing conditions exists.

Product Specification

  • Average Particle Size (microns) <5
  • Flexural Strength (psi) 16,500
  • Compressive Strength (psi) 30,000
  • Average Apparent Density (g/cm3) 3.05
  • Hardness (Shore) 67
  • Electrical Resistivity (micro-ohm-in) 120

Applications

  • Fine detailed electrodes where strength is critical
  • Threading electrodes
  • Aerospace applications
  • Plastic injection molds
  • Machining of carbide
  • Small hole drilling

 

 

POCO EDM-AF5

POCO's EDM-AF5 is the only graphite electrode material available on the market today with an average particle size of less than one micron.This particle structure gives EDM-AF5 superior strength, provides for fine surface finished (7Ra), gives excellent metal removal rate, and high resistance to wear.

Product Specification

  • Average Particle Size (microns) <1
  • Flexural Strength (psi) 17,000
  • Compressive Strength (psi) 27,000
  • Average Apparent Density (g/cm3) 1.80
  • Hardness (Shore) 87
  • Electrical Resistivity (micro-ohm-in) 680

Applications

  • Fine detailed electrodes for engraving
  • Hard to machine detail
  • Delicate and fragile electrodes
  • Various type threading electrodes
  • Jobs requiring fine surface finishes
  • Intricate molds and dies

 

 

EDM-1 | EDM-2 | EDM-3 | EDM-100 | EDM-200 | EDM-C200 | EDM -C3 | EDM -AF5

 

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