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Impregnated Graphite Electrode

Impregnated Graphite Electrode
1. Low resistivity
2. Good conductivity
3. Low ash
4. Compact and uniform structure
5. Good oxidation resistance
6. Mechanical strength


Graphite electrode is an important conductive material in electric smelting industry, has good conductivity, thermal conductivity, high mechanical degree, high-temperature oxidation resistance, good corrosion resistance, is widely used in an electric arc furnace, mineral hot furnace (Production of iron alloy, pure silicon, yellow phosphorus, matte, calcium carbide, etc.) Resistance furnace, such as the production of graphite electrode graphitization furnace, glass melting furnace, the production of silicon carbide furnace, etc. has become an important part of contemporary industrial raw materials.

The graphite electrode is divided into normal graphite electrodes, impregnated graphite electrodes, high power graphite electrodes,s, and ultra-high power graphite electrodes.

project unit Nominal diametermm
75-200 250-400 450-600
Optimal level Level 1 Optimal level Level 1 Optimal level Level 1
The resistivity  ≤ electrode μΩm 7.0 8.0 7.0 8.0 7.5 8.5
joint 6.5 6.5 6.5
Flexural strength  ≥ electrode MPa 10.0 9.0 8.0
joint 13.0 13.0 13.0
Modulus of elasticity  ≤ electrode GPa 12.0 12.0 12.0
joint 14.0 14.0 14.0
Bulk density  ≥ electrode g/cm3 1.65 1.65 1.65
joint 1.72 1.72 1.72
Coefficient of thermal expansion≤ (100℃-600℃) electrode 10-6/℃ 2.6 2.6 2.6
joint 2.3 2.3 2.3
ash≤ 0.3 0.3 0.3

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