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High Purity Graphite Blocks China Factory and Suppliers for Photovoltaic Semiconductor
Our high-performance Graphite Blocks are engineered from premium domestic petroleum coke with a carbon purity exceeding 99%, specifically designed for the rigorous demands of the photovoltaic and semiconductor industries. Available in vibrated, molded, and isostatic grades, these blocks provide an exceptional balance of mechanical strength and thermal stability, making them the ideal choice for high-temperature furnace applications where precision and durability are non-negotiable.
Designed to excel in extreme environments, these graphite blocks offer superior thermal shock resistance and low thermal expansion, ensuring structural integrity during rapid temperature fluctuations. With a high density of up to 1.88g/cm3 and excellent machinability, we provide fully customized shapes and specifications to meet the precise technical requirements of chemical heat exchangers, EDM applications, and metallurgy processes.
Detailed Parameters
| Bulk Density | 1.85g/cm3 - 1.88g/cm3 | Carbon Content | ≥ 99% |
|---|---|---|---|
| Electric Resistance | ≤ 8.0 - 8.5 μΩ.m | Thermal Conductivity | ≥ 120 - 130 W/(m.K) |
| Bending Strength | ≥ 10 - 12 MPa | Compressive Strength | ≥ 24 - 31 MPa |
| C.T.E (100-600°C) | ≤ 2.5 10-6/°C | Ash Content | ≤ 0.3% |
| Max Grain Size | 0.8 mm | Production Capacity | 3000 Tons/Month |
Key Advantages
Thermal Shock Resistance
Exceptional ability to withstand rapid temperature changes without cracking, essential for high-temperature furnaces.
High Oxidation Resistance
Enhanced chemical stability and resistance to oxidation, extending the service life of components in harsh environments.
High Conductivity
Superior electrical and thermal conductivity ensures efficient energy transfer and uniform heating processes.
Precision Machinability
Highly machinable material allowing for complex shapes and tight tolerances according to customer blueprints.
Homogeneous Structure
Isostatic pressing ensures a uniform density and structure, eliminating weak points in the material.
Mechanical Strength
High compressive and flexural strength provide robust support for heavy-duty industrial applications.
Product Gallery
Management Platforms
Material Sourcing
Strict selection of high-purity petroleum coke to ensure a carbon content above 99%.
Advanced Forming
Utilizing isostatic, vibrated, and molded techniques to achieve specific density requirements.
Precision Machining
State-of-the-art CNC machining to deliver customized shapes with high accuracy.
Quality Control
Rigorous testing of bulk density, electrical resistance, and thermal conductivity.
Logistics Security
Standardized wooden box packaging to prevent damage during international transit.
Customization Service
Tailored product development from initial drawing to final industrial application.
Investment Return Comparison
| Performance Metric | Standard Graphite | NALAI Premium Graphite |
|---|---|---|
| Service Life | Moderate | Extended (High Oxidation Resistance) |
| Thermal Stability | Average | Exceptional (Low C.T.E) |
| Machining Waste | Higher | Lower (Better Structural Integrity) |
| Energy Efficiency | Standard | High (Superior Thermal Conductivity) |
| Maintenance Cost | Frequent | Reduced (High Mechanical Strength) |
Frequently Asked Questions
Isostatic graphite blocks are widely used in the photovoltaic industry, semiconductor manufacturing, EDM, 3D glass molds, and high-temperature furnace components due to their uniform structure and high density.
Yes, we provide comprehensive customization services. We can machine our graphite blocks into specific shapes and sizes according to your technical drawings and requirements.
High thermal shock resistance allows the material to undergo rapid heating and cooling cycles without internal stress fractures, ensuring the longevity and safety of high-temperature furnace linings.
Vibrated graphite is formed by vibration molding, while isostatic graphite is pressed under equal pressure from all directions, resulting in a more homogeneous structure and higher density.
Our graphite blocks are manufactured using high-grade petroleum coke, ensuring a carbon content of over 99% for maximum purity and performance.
We have a robust production capacity of 3,000 tons per month, allowing us to handle both small-scale custom orders and large-scale industrial shipments efficiently.
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