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| Unit Price: | 200 USD |
|---|---|
| Min. Order: | 1 Piece/Pieces |
High purity graphite parameter
Item | Unit | High pure graphite | ||
baked twice | baked three time | baked four times | ||
impregnated once | impregnated twice | impregnated three times | ||
Grain size | mm | ≤325mesh | ≤325mesh | ≤325mesh |
Bulk density | g/cm3 | ≥1.68 | ≥1.78 | ≥1.85 |
Specific resistance | μΩ.m | ≤14 | ≤14 | ≤13 |
Bending strength | MPa | ≥25 | ≥40 | ≥45 |
Compressive strength | MPa | ≥50 | ≥60 | ≥65 |
Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |
We accept small orders,please inquiry us freely. | ||||
Grain Size Graphite Rods Physical data :
| 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 |
The grade of the graphite rod have following kinds:
1. Isostatic pressing graphite rod
2. High pure graphite rod
3.0.8mm/2mm/4mm/8mm graphite rod
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 |
characteristic
1. Good self-lubricating
2. Good resistance to chemical corrosion
3. High density and high chemical strength
4. High thermal and chemical resistance
5. High resistance to thermal shock
6. Proper electrical conductivity
7. Minimum wettability to molten metals and glass
8. Easy to be machining processed; can be manufactured into a variety of geometrical products
Application
Graphite rods are often used for following:
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:
Graphite rod is most frequently used in the heating element of high temperature vacuum furnace
Resistance heating elements, induction susceptor, structural elements and charging rods
8. Anodes for the electrolysis of metals.
9. Parts for heat exchangers.
Advantages and Properties of Graphite:
• High mechanical strength
• Oxidation resistance
• Chemical resistance
• Good sliding properties
• High thermal stability
• High thermal shock resistance
• Low wettability
• High corrosion resistance
• High thermal conductivity
• Good electrical conductivity
Product Categories : Graphite Block
