Product Overview
Graphite heating elements are high-performance electric heating components made from high-purity graphite. Leveraging graphite's excellent electrical conductivity, high-temperature resistance, and thermal stability, they serve as ideal heating solutions for advanced applications in semiconductor manufacturing, vacuum heat treatment, photovoltaic crystal growth, and other precision industries.
Key Features
✅ Ultra-High Temperature Performance
Operating temperature up to 3000°C in vacuum/inert environments with rapid heating rates
✅ Extended Service Life
Anti-oxidation coating increases lifespan by 3-5x in air
✅ Precise Temperature Control
Resistance uniformity ±5%, compatible with PID intelligent temperature control
✅ Energy Efficient
Thermal conversion efficiency >95%, 30% more energy-efficient than metal heating elements
✅ Customizable Designs
Supports complex geometries for specialized process requirements
Technical Specifications
|
Parameter |
Standard Specs |
Custom Range |
|
Material Purity |
≥99.95% |
99.99% |
|
Max Operating Temp |
3000°C |
3200°C |
|
Resistivity |
8-12μΩ·m |
Adjustable |
|
Heating Rate |
100°C/min |
200°C/min |
|
Dimensional Accuracy |
±0.1mm |
±0.05mm |
|
Surface Treatment |
Anti-oxidation |
Metallization |
Typical Applications
1,Semiconductor Industry
Single crystal growth furnace heaters, epitaxial equipment thermal fields
2,Photovoltaic Manufacturing
Polycrystalline silicon ingot furnace elements, wafer annealing systems
3,Vacuum Heat Treatment
Core heating components for high-temperature sintering/brazing furnaces
4,Research Equipment
Ultra-high temperature experimental devices, special material synthesis
Product Series
1,Isostatic Graphite Heating Elements
For long-term operation below 2800°C
2,High-Density Graphite Elements
40% higher mechanical strength with superior thermal shock resistance
3,Composite Heating Elements
Graphite-metal hybrid structures balancing conductivity and strength
Quality Control
✔ Material Inspection: XRF analysis for impurity content
✔ Process Control: Full CNC machining with in-line dimensional checks
✔ Final Testing:
3000°C aging tests
Resistance uniformity verification
Load lifespan validation
Service Support
1,Technical Consulting: Thermal field simulation design services
2,Rapid Response: 7-day lead time for urgent orders
3,After-Sales: Optimization solutions for heating elements
Usage Notes
⚠ Initial use requires step-by-step thermal activation
⚠ Protective coating mandatory for oxidative environments
⚠ Strictly prohibit overload operation