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Graphite products Electroerosion graphite blocks

Electroerosion graphite blocks

Enterprise produces graphite blocks and half-finished units for electroerosion treatment (EDM). Electroerosion treatment consists in shaping, sizing, roughness and properties modification influenced by electrical discharges.

The treatment quality is essentially effected by modification of geometrical dimensions of electrode – the main tool during the process. Thus the electrode materials have to obtain a high erosion resistance.
Our enterprise produces two kinds of materials for this purpose: AG-2500 Э1 and AG-2500 Э2. These materials are similar to soviet MPG-7 and MPG-6 kinds correspondingly.  All materials obtain high density and low porosity. Physical and technical characteristics are shown in the table below. Every item is approved with quality certificates.
Electroerosion graphite blocks

Material
Density, g/cm3,
av. sample
Compressive resistance,
MPa, av. in selection
Electrical resistivity,
mkOm*m,
not more
Opened porosity, %, not more
AG-2500 E1 (MPG-7)1,851201412
AG-2500 E2 (MPG-6)1,84701212