Reliable High-Purity Graphite Blocks For Industrial Applications
High Purity Graphite Blocks – SHJ CARBON's Expertise in Precision Materials With over 26 years of experience in the graphite and carbon materials industry, SHJ CARBON offers high purity isostatic graphite blocks that provide exceptional performance for advanced industrial applications. Our...
Description
High Purity Isostatic Graphite Blocks Suppliers
At SHJ CARBON, we specialize in the manufacture of high purity isostatic graphite blocks, designed for demanding industrial applications. With over 25 years of expertise, we provide graphite solutions that meet the exacting standards of industries such as semiconductor manufacturing, aerospace, electronics, automotive, and energy. Our high purity isostatic graphite blocks offer unparalleled performance, ensuring your operations run smoothly and efficiently in even the most extreme environments.
What Is Isostatic High Purity Graphite Block?
Isostatic high purity graphite blocks are advanced materials recognized for their superior structural strength and exceptional purity. Produced through isostatic pressing, these graphite blocks achieve consistent density and uniformity, making them perfect for precision machining. Unlike standard graphite, isostatic graphite is formed under high pressure, which enhances its purity and mechanical properties. This makes it the preferred material for challenging industrial applications where reliability and precision are critical.
Key Features of Our High Purity Isostatic Graphite Blocks
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99.99% Purity for Exceptional Performance
Our isostatic graphite blocks are made from premium-grade raw materials and undergo a rigorous manufacturing process to achieve 99.99% purity. This high purity ensures minimal contamination, making them ideal for precision applications in high-performance industrial settings.
Superior Thermal and Electrical Conductivity
Designed to perform in high-temperature environments, our graphite blocks offer exceptional thermal and electrical conductivity. This makes them perfect for industries where efficient heat management and electrical performance are critical, such as in semiconductors, electric vehicle batteries, and metal casting.
Excellent Chemical Resistance
Our high-purity graphite blocks are highly resistant to corrosion and chemical degradation, ensuring that they can withstand harsh environments. They are perfect for applications in chemical reactors, heat exchangers, and nuclear industries where chemical stability is paramount.
Uniformity and Consistency
Thanks to isostatic pressing technology, our graphite blocks feature a uniform structure and consistent density throughout. This ensures reliable performance, reduced wear and tear, and improved overall efficiency, especially in applications requiring high precision and durability.
Long-Lasting Durability
With excellent thermal shock resistance, high wear resistance, and minimal thermal expansion, our graphite blocks maintain their performance over extended periods of use, ensuring long-lasting durability in industries that demand reliability, such as aerospace, automotive, and industrial machinery.
Technical Specifications
| Grade | Bulk Density |
Shore Hardness |
Ash Content |
Compressive Strength |
Flexural Strength |
Resistivity | Thermal Grain Conductivity Size |
Grain Size |
| ■IS-11 | 1.82g/cm³ | 63HSD | 50PPM | 115Mpa | 52Mpa | 10~15μQm | 120W/mk | 8~10μm |
| ■IS-15 | 1.90g/cm³ | 72HSD | 50PPM | 160Mpa | 70Mpa | 11~13μΩm | 110~120W/mk | 5μm |
| ■IS-14 | 1.85g/cm³ | 68HSD | 50PPM | 120Mpa | 62Mpa | 11~13μΩm | 100~120W/mK | 7μm |
| ■IS-41 | 1.78g/cm³ | 76HSD | 100PPM | 122MPa | 69MPa | 15.7μΩm | - | 10μm |
| ■IS-42 | 1.78g/cm³ | 65 HSD | 300PPM | 113Mpa | 57Mpa | 12.5μΩm | - | 13μm |
| ■ IS-51 | 1.81g/cm³ | 60HSD | 50PPM | 90Mpa | 45Mpa | 11~14μΩm | - | 12μm |
| ■IX-11 | 1.80g/cm³ | 85HSD | 200PPM | 180Mpa | 90Mpa | 25μQm | - | 4μm |
| ■IX-12 | 1.81g/cm³ | 92HSD | 200PPM | 190Mpa | 92Mpa | 25μΩm | - | 4μm |
| ■FM-12 | 1.75g/cm³ | 42HSD | 500PPM | 65Mpa | 38Mpa | 8~11μΩm | 110~120W/mk | 13μm |
| ■FM-13 | 1.85g/cm³ | 48HSD | 50PPM | 85Mpa | 46Mpa | 8~10μΩm | 130~140W/mk | 13μm |
| ■FM-22 | 1.80g/cm³ | 50HSD | 1000PPM | 75Mpa | 38Mpa | 12μΩm | - | 13μm |
Applications of High Purity Isostatic Graphite Blocks

Energy
SHJ CARBON's high purity isostatic graphite blocks play a crucial role in the energy sector, particularly in nuclear reactors and solar energy applications. These blocks are ideal for handling the extreme conditions present in energy production environments, where high thermal stability, durability, and excellent conductivity are essential. From components used in nuclear power plants to heat management systems in solar energy production, our graphite blocks ensure reliable and efficient performance.
Metal Casting
In metal casting, precision and temperature control are key. SHJ CARBON's high purity graphite blocks are used to manufacture crucibles and molds, which are essential for melting and shaping metals at high temperatures. With exceptional resistance to thermal shock and uniform density, our graphite blocks ensure optimal casting quality and help minimize defects in metal products, making them a trusted choice for industries that require precise and consistent results in high-heat 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.
Frequently Asked Questions (FAQ)
1. What makes isostatic high purity graphite blocks different from regular graphite?
Isostatic high purity graphite blocks are manufactured under high pressure, ensuring uniform density and exceptional purity, which is not achievable with regular graphite. This process enhances their mechanical properties, making them ideal for precision applications in demanding industries.
2. What industries use isostatic high purity graphite blocks?
Isostatic high purity graphite blocks are widely used in industries such as semiconductor manufacturing, aerospace, electronics, energy, and metal casting, where high precision, durability, and thermal stability are essential.
3. How does the isostatic pressing process affect the performance of the graphite blocks?
The isostatic pressing process applies uniform pressure to the graphite material, resulting in consistent density and structural integrity. This ensures superior performance in high-temperature and high-precision environments, minimizing defects and ensuring reliability.
4. What is the purity level of your isostatic high purity graphite blocks?
Our isostatic high purity graphite blocks are produced with a purity level of 99.99%, ensuring minimal impurities and making them ideal for high-performance applications that require exceptional material integrity.
5. Can isostatic high purity graphite blocks be customized to specific sizes and shapes?
Yes, we offer customization options for our isostatic high purity graphite blocks, allowing you to choose specific sizes, shapes, and grades that meet the unique requirements of your industrial applications.
Contact Us – Get Your Custom Quote
If you're ready to order or need professional guidance on selecting the perfect isostatic high purity graphite blocks for your application, the SHJ CARBON team is here to assist you. With over 26 years of industry experience, we offer tailored solutions that meet the specific demands of your project.
Reach out to us today to discuss how we can support your business with premium graphite materials. Contact us now for a complimentary consultation or to receive a custom quote!
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