Vacuum Furnace Hot Zone Materials
Description
Your Expert in Vacuum Furnace Hot Zone Materials
Precision Selection and Customization for Optimal Thermal Performance
At SHJ CARBON, we specialize in providing top-quality vacuum furnace hot zone insulation materials that ensure your furnace operates at peak thermal efficiency. With decades of expertise, we offer high-performance graphite materials, rigid graphite felt, and graphite heating elements, tailored to meet your specific operational needs.
-
We Understand Your Challenges
Selecting the right vacuum furnace hot zone insulation materials is essential for achieving superior thermal control, energy efficiency, and minimal surface contamination. Whether you're dealing with high temperatures, rapid cooling cycles, or energy losses, our expertise in material selection helps address these challenges effectively. We understand that the precise choice of graphite felt, graphite heating elements, and rigid graphite felt can significantly impact your furnace's performance.
-
SHJ CARBON Solutions: Expertise and Proven Products
We offer comprehensive solutions tailored to your furnace's specific requirements, ensuring optimal thermal insulation and long-lasting performance for your vacuum furnace hot zone.
1. Precision Control with Graphite Heating Elements
The graphite heating element plays a critical role in regulating the temperature of the vacuum furnace hot zone. The precise resistivity of graphite ensures stable heating, minimizing hot spots and reducing energy consumption. Our engineers recommend the most suitable graphite heating elements based on your furnace type and process requirements, optimizing both temperature uniformity and energy efficiency.
Graphite hearth assemblies
Specification of Highest quality enhanced graphites
| Grade | Bulk Density (g/cm³) |
Compressive strength (MPa) |
Flexural strength (MPa) |
Specific Resistivity (μΩm) | Ash Content | Available sizes |
Available Designs |
| IS-11 | 1.82 | 115 | 52 | 10~15 | 50ppm | 1600 x 650 x 350mm 1850 x 650 x 410mm |
Graphite elements, gas deflectors Graphite hearth assemblies |
| IS-14 | 1.85 | 120 | 62 | 11~13 | 50ppm | 630 x 600 x 250mm | |
| IS-51 | 1.81 | 90 | 45 | 11~14 | 50ppm | 310 x 310 x 910mm |
2. Advanced Thermal Insulation with Graphite Felt
Efficient thermal insulation is essential for reducing heat loss and improving furnace performance. Whether you're looking for rigid graphite felt for high-strength areas or flexible graphite felt for wrapping complex geometries, we offer the best materials to optimize thermal insulation and minimize operational costs.
Furnace thermal insulation
Specification of Highest quality enhanced graphites
A. Graphite-Based Rigid Felts
| Grade | Type | Bulk Density (g/cm³) |
Compressive strength (MPa) |
Flexural strength (MPa) |
Vacuum Thermal conductivity 1200℃ (W/m.k) |
Available sizes |
Available Designs |
| TCR-L14 | Rayon Base Long Fiber |
0.14 | 1.00 | 0.80 | 0.39 | 1000x1500mm Thickness Designed to customer request |
Board/Cylinder |
| TCR-S18 | Rayon Base Short Fiber |
0.18 | 1.10 | 1.03 | 0.32 | 1500x1500x250mm | Board/Cylinder/Disk/ Components |
B. Graphite-Based Soft Felts
| Grade | Type | Bulk Density(g/cm³) | Vacuum Thermal conductivity 1000℃ (W/m.k) |
Ash Content (ppm) | Thickness | Application | |
| TCS-20 | Rayon Base Long Fiber |
0.095±10% | 0.13 | ≤100 | 10mm±10% | Thermal Field for Fiber Optics and Quartz Industries |
|
| TCS-21 | 0.095±10% | 0.13 | ≤20 | 10mm±10% | Semiconductor Crystal Growth Furnace Insulation Spare Parts |
||
| TCS-22 | 0.095±10% | 0.13 | ≤5 | 10mm±10% | Insulation for Finished Semiconductor Crystal Growth Furnaces |
||
| TCS-23 | 0.1±10% | 0.15 | ≤100 | 10mm±10% | General-purpose thermal field material | ||
| TCS-24 | 0.1±10% | 0.15 | ≤20 | 10mm±10% | Insulated Soft Felt for Powder Handling in the Semiconductor Industry |
||
3. High-Strength, Thermal-Shock Resistant CFC Components
Under extreme temperature changes, vacuum furnace hot zone materials must maintain their structural integrity. We offer CFC (carbon-carbon composites) for components like bolts and brackets, designed to withstand rapid heating and cooling cycles, ensuring reliable performance even in high-stress environments.
Carbon fibre composite plate
Carbon fibre composite Channel
Carbon fibre composite screws
Specification of Carbon fibre composite sheets & plates
| Grade | Type | Bulk Density(g/cm³) |
Compressive strength (MPa) |
Flexural strength (MPa) |
Interlaminar Shear Strength (MPa) |
Available sizes |
Available Designs |
| FE-80 | Short Fiber | 1.65 | 120 | 200 | 18.00 | Designed to customer request |
Carbon fibre composite hearth assemblies Carbon fibre composite angles & channels |
| FE-14 | Long Fiber | 1.40 | 100 | 120 | 10.00 | Designed to customer request |
Carbon fibre composite gas deflectors |
| FE-25 | Long Fiber | 1.50 | 140 | 150 | 12.00 | Designed to customer request Thickness 30~200mm |
Carbon fibre composite nuts, screws, and threaded rods |
Why Choose SHJ CARBON
Technology First
We offer a variety of transmission components
25+ Years of Industry Experience
Proven expertise in carbon and graphite insulation for high-tech manufacturing.
Trusted by Top Manufacturers
Long-term supplier to leading electronics, semiconductor, and solar PV companies.
Custom Engineering Support
Tailored designs in boards, cylinders, and complex 3D shapes to match exact specifications.
Advanced Production & Purification
Secondary high-temperature treatment up to 2800 °C for exceptional purity.
Surface Treatment & Customization Options
SHJ CARBON offers a range of surface treatments and customization options to meet your specific operational requirements:
- Edge Sealing – Prevents particle shedding and improves material integrity.
- Corrosion Protection – Specialized coatings that enhance the material's resistance to chemical damage in harsh environments.
- Laminated Graphite Foil Layers – Adds extra strength and heat resistance, perfect for more demanding applications.
- 3D Shaped Processing – Custom-made to fit complex furnace geometries or specialized heat shield designs.
- Custom Finishes for Different Applications – Tailored surface treatments to enhance durability, energy efficiency, and performance.
|
Surface Treatment Type |
Protection Against Dust |
Airtightness |
Surface Protection |
Shock Resistance |
Key Advantages |
|
No Surface Treatment |
– |
– |
– |
– |
– |
|
Graphite Paper Lamination |
○ |
○ |
○ |
○ |
Good air permeability and low cost |
|
Carbon Cloth Lamination |
○ |
○ |
○ |
○ |
Anti-dust penetration and heat loss |
|
Special Coatings |
◎ |
◎ |
◎ |
◎ |
High protection strength, long service life |
|
Special Coatings (Enhanced) |
◎ |
◎ |
◎ |
◎ |
Anti-dust penetration, high protection performance, high purity |
Get in Touch – Request a Quote
Ready to enhance your thermal management systems with high-performance carbon felt insulation? Reach out today for expert advice, customized solutions, and fast delivery.
Contact Us Now or Request a Quote.
Hot Tags: vacuum furnace hot zone materials, China, suppliers, manufacturers, factory, buy, price, for sale, free sample, graphite for vacuum furnace, graphite for furnaces, Furnace heating element materials, graphite crucible for induction furnace, CFC material, CFC channel
