Synthetic Graphite Block | Medium-Coarse Grain For Industrial Applications
High Purity & Stability
– Engineered with controlled ash content for reliable performance in demanding environments.
Excellent Conductivity
– Superior thermal and electrical transfer ensures efficiency in EDM, furnaces, and metallurgy.
Strong Thermal Shock Resistance
– Withstands rapid heating and cooling cycles without cracking.
Versatile Applications
– Ideal for EDM electrodes, foundry molds, crucibles, and high-temperature furnace components.
Customized Solutions
– SHJ CARBON delivers tailored sizes and grades, backed by 25 years of graphite expertise.
Description
Synthetic Graphite Blocks for Demanding Thermal and Electrical Applications
At SHJ CARBON, we engineer high-performance synthetic graphite blocks to withstand the most severe industrial environments. Our products are manufactured through a meticulous process of extrusion and high-temperature graphitization, resulting in a material renowned for its reliability and durability.
What is Synthetic Graphite Blocks?
Synthetic graphite blocks are engineered carbon materials produced at high temperature from selected carbon raw materials, such as calcined petroleum coke and coal tar pitch. Through processes like extrusion or vibration molding, followed by graphitization above 2800°C, these blocks develop a highly ordered crystalline structure with uniform density and stable performance. Compared with natural graphite, synthetic grades provide greater purity, improved strength, and more reliable thermal and electrical conductivity, making them essential in high-temperature and high-stress industrial applications.
At SHJ CARBON, we have over 25 years of expertise in special graphite manufacturing. Our synthetic graphite blocks are available in multiple grain sizes, including medium grain graphite (0.8mm – 2.0mm), to match diverse application needs. By combining advanced production control with customization capability, we supply graphite blocks that meet the rigorous standards of EDM machining, foundry processes, photovoltaic silicon production, and high-performance furnace components. Customers worldwide rely on SHJ CARBON for consistent quality, tailored solutions, and long-term reliability.
Key Features & Benefits
- Balanced Grain Size – 0.8mm–2.0mm medium grain graphite ensures reliable machinability and durability.
- High Conductivity – Excellent thermal and electrical transfer supports stable EDM and furnace performance.
- Thermal Shock Resistance – Withstands rapid heating cycles, extending service life of components.
- Low Impurities – Controlled ash content reduces contamination in glass, PV, and battery production.
- Customized Supply – SHJ CARBON delivers tailored sizes and grades backed by 25 years of expertise.
Technical Specifications
|
Grade |
MV-12 |
MV-13 |
MV-20 |
ME-11 |
|
|
Type of Forming |
Unit |
Vibro-molded |
Vibro-molded |
Vibro-molded |
Extruded |
|
Bulk Density |
g/cm³ |
1.72 |
1.73 |
1.65 |
1.73 |
|
Specific Resistance |
μΩ.m |
9 |
8.5 |
11 |
8 |
|
Compressive Strength |
MPa |
30 |
35 |
28 |
37 |
|
Flexural Strength |
MPa |
13 |
15 |
9 |
18 |
|
C.T.E (RT-600℃) |
10-6/℃ |
3.2 |
3.3 |
N/A |
2.4 |
|
Thermal Conductivity |
W/(m.k) |
100 |
130 |
N/A |
N/A |
|
Ash |
% |
0.2 |
0.12 |
0.25 |
0.2 |
|
Maximum Grain Size |
mm |
0.8 |
0.8 |
2 |
0.8 |
|
Regular Size |
Blocks: 500*500*(1800/1850), 650*(500/600)*(1800/1850/2200), 800*500*1850, 950*500*1850, 1100*400*2200, 1250*450*2200. |
||||
|
The above properties are typical values, not guaranteed, other specifications are available. |
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Applications of Synthetic Graphite Blocks
EDM and Precision Machining
Used for electrodes and fixtures, synthetic graphite provides easy machinability, consistent erosion rates, and long tool life. With SHJ CARBON's medium grain graphite grades, manufacturers achieve precise detail while keeping machining costs under control.
Foundry & Metallurgy
Crucibles, molds, and continuous casting dies rely on the high thermal conductivity and shock resistance of synthetic graphite. Our products help foundries extend mold life, minimize cracking, and deliver smoother casting surfaces.
High-Temperature Furnaces
In vacuum and inert atmosphere furnaces, graphite blocks are machined into heating elements, insulation systems, and structural supports. SHJ CARBON ensures these parts maintain stability under extreme thermal cycling and repeated operation.
Energy and Advanced Materials
From photovoltaic silicon to lithium-ion battery materials and specialty ceramics, synthetic graphite plays a key role in maintaining purity and efficiency. Our custom crucibles, plates, and boxes reduce contamination and improve process reliability for critical energy applications.
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.
Customized Graphite Solutions
Beyond standard grades, SHJ CARBON develops customized graphite blocks tailored to client requirements. We adjust grade, density, and size according to application needs, whether for high-purity environments, specialized furnace designs, or large-format tooling. Every project receives engineering support and quality control documentation, ensuring confidence in both performance and delivery.
With SHJ CARBON, you gain more than a supplier-you gain a partner committed to optimizing your process performance with world-class graphite solutions.
FAQ – Synthetic Graphite Blocks
A1: They are engineered carbon materials made by graphitizing selected raw materials at high temperature. Compared with natural graphite, they offer higher purity, better conductivity, and more consistent performance.
A2: Synthetic graphite has controlled grain size, lower impurities, and stable properties, making it ideal for EDM, foundry, and high-temperature furnaces. Natural graphite is cheaper but less consistent in quality.
A3: They are widely applied in EDM machining, foundry and metallurgy, photovoltaic silicon processing, lithium-ion battery production, chemical electrolysis, and high-temperature furnaces.
A4: Yes, SHJ CARBON offers customized sizes, grades, and machining options, ensuring every block matches specific customer process requirements.
A5: With 25 years of experience in special graphite, SHJ CARBON delivers consistent quality, reliable supply, and technical support trusted by global industries.
Get in Touch – Request a Quote
Ready to enhance your thermal management systems with high-performance medium grain graphite ? Reach out today for expert advice, customized solutions, and fast delivery.
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