Graphite Chuck High Density EDM Graphite For Low Wear And Stable Discharge Performance
| Grade |
Bulk Density (g/cm³) |
Electric Resistivity (μΩ·m) |
Compressive Strength (MPa) |
Flexural Strength (MPa) |
Shore Hardness |
Ash Content / Purification (ppm) |
Graphitization Purification (ppm) |
Product Purification (ppm) |
Coefficient 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 |
200 |
50 |
5 |
5.5 |
133 |
11.5 |
Semiconductor, Heat zone in PV Industry, Ceramic Sintering, Vacuum furnace |
| CDI-1B |
1.80 |
10–13 |
86 |
40 |
55 |
200 |
50 |
5 |
5.4 |
121 |
10.0 |
Semiconductor, Heat zone in PV Industry, Ceramic Sintering, Vacuum furnace |
| CDI-1C |
1.82 |
11–15 |
100 |
48 |
58 |
200 |
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 |
200 |
50 |
5 |
5.8 |
108 |
10.0 |
Semiconductor, Heat zone in PV Industry, Ceramic Sintering, Vacuum furnace |
Isostatic graphite conical component, precision split design, durablefor high-temperature applications.
The graphite chuck is a precision-engineered fixture designed for high-temperature and high-purity processing environments. Manufactured from ultra-fine, high-purity isostatic graphite, it provides excellent thermal stability, low thermal expansion, and superior mechanical integrity under extreme conditions. Its optimized surface finish and dimensional accuracy ensure secure, uniform clamping of substrates or workpieces, minimizing deformation and particulate generation. With outstanding chemical inertness, the graphite chuck prevents contamination, making it ideal for semiconductor processing, crystal growth, and vacuum furnace applications. Customizable in geometry and coating options, it delivers reliable performance, extended service life, and consistent process control in demanding industrial operations.