china supply graphite rod
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China [CN] | high pure graphite | ||||
| Item | Unit | 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 |
| Fine-grain Specialty Graphite FXG-1 | Fine-grain Specialty Graphite FXG-2 | ||||
| Item | Unit | Guarantee value | Typical value | Guarantee value | Typical value |
| Max grain size | mm | 0.8 | 0.8 | 0.8 | 0.8 |
| Bulk density | g/cm3 | ≥1.70 | 1.73 | ≥1.73 | 1.76 |
| Specific resistance | μΩ.m | ≤8.5 | 7.5 | ≤8.0 | 7 |
| Bending strength | MPa | ≥10.0 | 11 | ≥12.0 | 12.5 |
| Compressive strength | MPa | ≥24.0 | 27 | ≥31.0 | 34 |
| Thermal Condcutivity | W/(m.k) | ≥120 | 150 | ≥130 | 160 |
| C.T.E.(100-600) °C | 10-6/°C | ≤2.5 | 2.2 | ≤2.5 | 2.1 |
| Ash content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
| Item | Unit | Guarantee value | Typical value | Guarantee value | Typical value | Guarantee value | Typical Value |
| Max grain size | mm | 2 | 2 | 4 | 4 | 8 | 8 |
| Bulk density | g/cm3 | ≥1.70 | 1.75 | ≥1.69 | 1.73 | ≥1.68 | 1.72 |
| Specific resistance | μΩ.m | ≤8.5 | 7.5 | ≤8.5 | 7.5 | ≤9.0 | 8.5 |
| Bending strength | MPa | ≥9.0 | 9.5 | ≥9.5 | 10 | ≥10.0 | 12.5 |
| Compressive strength | MPa | ≥30.0 | 31 | ≥29.0 | 30 | ≥30.0 | 31 |
| Modulus of elasticity | GPa | ≤12.0 | 9.5 | ≤12.0 | 9.5 | ≤12.0 | 9 |
| C.T.E.(100-600) °C | 10-6/°C | ≤2.5 | 2.3 | ≤2.5 | 2.3 | ≤2.5 | 2.3 |
| Ash content | ≤0.3 | 0.09 | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
Graphite rod specification:
1.high and low temperature resistance
2.good thermal conductivity
3.low electric resistivity
4.perfect machinability
5.competitive price
Graphite rod application:
1. high temperature vacuum furnace
2. metallurgy and machinery
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