Our company produces various sizes and shapes of the special-shaped graphite products, As a professional manufacturer of graphite parts, we have specialized in machining graphite over 35 years. we are providing various kinds of graphite parts, such as graphite dies, moulds, rods and plates, carbon bushings, graphite heaters, crucibles and other graphite components as per the customers’ requirements. welcome to consult!
Features
- Fine grain
- Homogeneous structure
- High density
- Excellent thermal conductivity
- High mechanical strength
- Proper electrical conductivity
- Minimum wettability to molten metals
- Hard surface and good flexural strenght
- Resistance to chemical erosion and thermal shock.
Physical and chemical index
| 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 |
| Max grain size | mm | 2 | 2 | 2 | 2 |
| Bulk density | g/cm3 | ≥1.58 | 1.6 | ≥1.70 | 1.75 |
| Specific resistance | μΩ.m | ≤11.5 | 10.5 | ≤8.5 | 7.5 |
| Bending strength | MPa | ≥6.0 | 6.5 | ≥9.0 | 9.5 |
| Compressive strength | MPa | ≥18.0 | 18.5 | ≥30.0 | 31 |
| Modulus of elasticity | GPa | ≤9.3 | 7.5 | ≤12.0 | 9.5 |
| C.T.E.(100-600) °C | 10-6/°C | ≤2.5 | 2.4 | ≤2.5 | 2.3 |
| Ash content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
High pure graphite
| 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 |
Isostatic graphite
| Item | Unit | Isostatic graphite |
| grain size | μm | 5-22 |
| Bulk density | g/cm3 | 1.75-1.85 |
| Specific resistance | μΩ.m | 10-15 |
| Bending strength | MPa | ≥40 |
| Compressive strength | MPa | ≥70 |
| Shore hardness | ≥5 | |
| C.T.E.(100-600) °C | 10-6/°C | 3.2-5.2 |
| Modulus of elasticity | GPa | 9.5-12.5 |
