High Purity Isostatic Graphite for PV Industry
High purity isostatic graphite is engineered for demanding thermal applications in the photovoltaic industry, providing exceptional performance and reliability in critical manufacturing processes.
- Essential components for CZ monocrystalline silicon thermal field applications:
- Insulation covers
- Heaters
- 3D graphite crucibles
- Graphite supports
- Guide tubes
- Graphite electrodes
- Electrode nuts
- Specialized components for PECVD applications:
- Graphite boats
- Electrode holders
- Graphite screws
- Graphite nuts
- Large-scale components for polycrystalline silicon applications:
- Graphite chucks
- Graphite tubes
- Graphite sleeves
Technical Specifications
| Grade |
Bulk Density (g/cm³) |
Electric Resistivity (μΩ·m) |
Compressive Strength (MPa) |
Flexural Strength (MPa) |
Shore Hardness |
Ash Content (ppm) |
Purified Ash: Graphitization (ppm) |
Purified Ash: Product (ppm) |
Coeff. of Thermal Expansion (*10⁻⁶/°C) |
Thermal Conductivity W/(m·K) |
Young's Modulus (GPa) |
Applications |
| CDI-1A |
1.85 |
10-13 |
90 |
45 |
60 |
300 |
50 |
5 |
5.5 |
133 |
11.5 |
Semiconductor, Heat zone in PV Industry, Ceramic Sintering, Vacuum furnace |
| CDI-1B |
1.8 |
10-13 |
86 |
40 |
55 |
300 |
50 |
5 |
5.4 |
121 |
10 |
Semiconductor, Heat zone in PV Industry, Ceramic Sintering, Vacuum furnace |
| CDI-1C |
1.82 |
11-15 |
100 |
48 |
58 |
300 |
50 |
5 |
5.6 |
120 |
10.6 |
Semiconductor, Heat zone in PV Industry, Ceramic Sintering, Vacuum furnace |
| CDI-1D |
1.75 |
12-16 |
80 |
40 |
58 |
300 |
50 |
5 |
5.8 |
108 |
10 |
Semiconductor, Heat zone in PV Industry, Ceramic Sintering, Vacuum furnace |