| Customization: | Available |
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| Application: | Sintering Mold, EDM |
| Carbon Content: | High-Carbon |
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The types of the graphite block:
According to the shape, we have square block and round block
According the size, we can produce all kinds of size as our customers' requirements.
Typical sizes:
Block (mm): 400x400x1800; 500x500x1950, 500x330x1950, 500x430x1950, 520x350x2150, 630x630x2200, 600x500x2200, 820x340x2100, 520x350x2600, 1100x11000x350
Physical and chemical index
| Item | Unit | Grade | |||||
| Max Grain Size | mm | 0.8 | 0.8 | 2 | 2 | 4 | 4 |
| Bulk Density | g/cm³ | ≥1.70 | ≥1.73 | ≥1.58 | ≥1.70 | ≥1.57 | ≥1.69 |
| Specific Resistance | µΩ.m | ≤8.5 | ≤8.0 | ≤11.5 | ≤8.5 | ≤11.5 | ≤8.5 |
| Flexural strength | Mpa | ≥10.0 | ≥12.0 | ≥6.0 | ≥9.0 | ≥6.5 | ≥9.5 |
| Compressive Strength | Mpa | ≥24.0 | ≥31.0 | ≥18.0 | ≥30.0 | ≥17.5 | ≥29.0 |
| Thermal Conductivity | W/(m.K) | ≥120 | ≥130 | ||||
| C.T.E(100-600)ºC | 10-6/°C | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 |
| Ash Content | % | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
| Item | Unit | OZIM-1 | OZIM-2 | OZIM-3 |
| Grain | mm | ≤325mesh | ≤325mesh | ≤325mesh |
| Bulk density | g/cm³ | ≥1.68 | ≥1.78 | ≥1.85 |
| Specific resistance | µΩ.m | ≤14 | ≤14 | ≤13 |
| Flexrual strength | Mpa | ≥25 | ≥40 | ≥45 |
| Compressive strength | Mpa | ≥50 | ≥60 | ≥65 |
| Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |
Isostatic graphite
| Item | Unit | Domestic material | Import material |
| Bulk dengsity | g/cm³ | 1.8-1.85 | 1.92 |
| Specific resistance | μΩ.m | ≤15 | 10 |
| Flexrual strength | Mpa | ≥40 | 63.7 |
| Compressive strength | Mpa | ≥85 | |
| Thermal conductivity | W/(m.k) | 128 | |
| Ash content | % | ≤0.03 | |
| C.T.E(100-600)°C | 10-6/°C | 4.0-5.2 | 5.5 |
| Shore hardness | ≥65 | 68 |
Application:
1. Refractory material:
Widely used in the metallurgical industry.
2. Conducting material:
In the electronics industry, widely used for graphite electrode, brush,, etc
3. Wear-resisting material and lubricant:
Use graphite as wear-resisting and lubrication materials, can be 100m/s speed sliding in - 200 ~ 2000 °C temperature range, no or less lubricanting oil.
4. Sealing material:
It can be as sealing ring in the equipment, such as centrifugal pump, hydraulic turbine ,etc.
5. Anticorrosion material:
Widely used in petroleum, chemical, hydrometallurgy departments.
6. Protection materials:
Insulation, high temperature resistant, radiation
7. Furnace parts:
resistance heating elements, induction susceptor, structural elements and charging plates, furnace linings, heat shields and covers for pulling monocrystalline silicon or optical fibers, etc.
8. Anodes for the electrolysis of metals.
9. Parts for heat exchangers.
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