EDM-C3 is a high density graphite infiltrated with copper. Recommended where speed, wear, and surface finish are important. Unequalled for fragile electrodes, many EDMers choose this grade to compensate for operator inexperience or where poor flushing conditions exist.
Avg. Grain Size: 5 Micron
Hardness: 67 Shore
Flex Strength: 16,500 psi
Resistivity: .00012 ohm/in.
Maximum Block Size: 2" x 8" x 12"
Method of Manufacture: Impregnated
*all flex strength is tested on a 4 point scale for true flex strength.