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Isostatic Graphite
  • Isostatic GraphiteIsostatic Graphite

Isostatic Graphite

SIKAIDA, a leading Chinese manufacturer of isostatic graphite, focuses on the research, development, production, and supply of high-quality isostatically pressed graphite. Utilizing advanced isostatic pressing technology, the graphite is refined from high-purity petroleum coke or needle coke, resulting in products with uniform structure, high strength, excellent thermal conductivity, and resistance to high-temperature corrosion, maintaining stability even in extreme environments. As a reliable supplier, we provide customized solutions to global customers, widely used in key industrial sectors such as semiconductors and photovoltaics.

SIKAIDA Isostatic Graphite is a high-performance advanced carbon material, manufactured through isostatic pressing and high-temperature graphitization processes, eliminating defects of traditional molded graphite and resulting in a more uniform and dense internal structure. Our factory boasts complete production lines and advanced testing equipment, ensuring meticulous control throughout the process and guaranteeing product stability and consistency.

Key Characteristics:

1. Uniform Structure: Density fluctuation within ±2%, free from defects such as delamination and porosity;

2. High Mechanical Strength: Bending strength ≥25MPa, compressive strength ≥80MPa, superior to traditional molded graphite by more than 30%;

3. Excellent Thermal Conductivity: Room temperature thermal conductivity 120-200 W/m·K, 1.5-2 times that of traditional graphite;

4. High Temperature Corrosion Resistance: Can be used for extended periods in non-oxidizing atmospheres up to 3000℃ or higher, resistant to acids, alkalis, and thermal shock;

5. High Electrical Conductivity: Resistivity ≤8μΩ·m, stable electrical performance;

6. Controllable Purity: 99.0%-99.9%C, ash content ≤0.3%, customizable to meet the needs of high-end industries.

Product Specifications and Parameters

Classification Item

Specific Parameters

Description

Manufacturing Process

Isostatic Pressing

Bidirectional isostatic pressing, uniform pressure

Raw Materials

High-Quality Petroleum Coke, Needle Coke

Purity ≥99.5%, Ash Content ≤0.3%

Density

1.70-1.85 g/cm³

Varies by model

Flexural/Compressive Strength

≥25MPa / ≥80MPa

Superior to traditional mold-pressed graphite

Thermal Conductivity/Resistivity

120-200 W/m·K / ≤8μΩ·m

Tested at room temperature, excellent conductivity

Purity/Dimensional Accuracy

99.0%-99.9%C / ±0.1mm

Customizable, guaranteed by CNC machining

Operating Temperature

-200°C to 3000°C

Non-oxidizing atmosphere


Application Areas

1. Semiconductor/Photovoltaics: Isostatic Graphite is used in monocrystalline silicon growth furnaces, polycrystalline silicon ingot furnaces, etc., ensuring uniform temperature and improving efficiency.

2. New Energy: Conductive substrates for lithium-ion battery anodes, bipolar plates for fuel cells, etc., providing long lifespan assurance.

3. Metallurgy/Chemical Industry: Steelmaking furnace linings, heat exchangers, corrosion-resistant pumps and valves, etc., resisting high-temperature corrosion and extending equipment lifespan.

4. Nuclear Industry/Electrical Discharge Machining: Nuclear reactor control rods, EDM electrodes, etc., meeting the demands of harsh operating conditions.

Core Advantages

1. High Quality and Stability: ISO9001:2015 quality control certified, with full-process testing to ensure product compliance.

2. Customized and Efficient: Customizable sizes and performance; samples in 7-15 days, batch production in 4-6 weeks.

3. Strong R&D: Multidisciplinary team, investing 5% of sales revenue in R&D annually, holding multiple patents.

4. Comprehensive After-Sales Service: Full-process technical guidance, timely resolution of customer problems.

Core Technologies

Our factory has mastered four core technologies: powder preparation, isostatic pressing, high-temperature graphitization, and post-processing, achieving advanced levels of technology in China.

FAQs

Q1: What is the difference between Isostatic Graphite and traditional molded graphite?

A1: More uniform structure, with improved bending resistance and thermal conductivity by over 30% and 50% respectively, making it more suitable for extreme working conditions.


Q2: Purity grade?

A2: 99.0%-99.9%C, customizable; high-end industries commonly use 99.5% and above.


Q3: Maximum operating temperature?

A3: ≥3000℃ in non-oxidizing atmospheres, ≤450℃ in air.


Q4: Is Isostatic Graphite customizable?

A4: Yes, customizable; a professional team provides full support.


Q5: Delivery time?

A5: Samples 7-15 days, bulk orders 4-6 weeks, adjusted as needed.

About SIKAIDA

As a leading isostatic graphite manufacturer in China, SIKAIDA's factory is equipped with advanced equipment and a complete quality control system. Adhering to the philosophy of "quality first, customer foremost," SIKAIDA provides high-quality customized solutions to global customers and is committed to becoming a trusted partner in the industry.


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