The Global High Thermal Conductivity Graphite Film Market was valued at USD 242.6 Million in 2024 and is projected to reach USD 483.2 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.8% during the forecast period (2024–2030). This growth is being driven by increasing demand for thermal management in consumer electronics, the proliferation of 5G technology, and the accelerating adoption of advanced cooling solutions across smartphones, tablets, and high-performance computing devices.

As electronic devices become smaller, more powerful, and increasingly dense, the spotlight is on the key material suppliers who are driving innovation, efficiency, and enhanced performance. In this blog, we profile the Top 10 Companies in the High Thermal Conductivity Graphite Film Industry—a mix of established material giants, specialized manufacturers, and innovative startups shaping the future of global thermal management.

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🔟 1. GrafTech International Ltd.

Headquarters: Brooklyn Heights, Ohio, USA
Key Offering: eGRAF® Flexible Graphite Sheets, TIM Solutions

GrafTech is a global leader in graphite material solutions with decades of experience in specialty graphite manufacturing. Their eGRAF® line includes high-performance graphite films designed for efficient heat spreading across consumer electronics, LED lighting, and automotive applications.

Innovation Initiatives:

• Proprietary manufacturing process for high thermal conductivity films

• Specialized solutions for 5G smartphones and wearables

• Strategic partnerships with major electronics OEMs

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9️⃣ 2. Panasonic Corporation

Headquarters: Kadoma, Osaka, Japan
Key Offering: PGS (Pyrolytic Graphite Sheet), Heat Spreading Solutions

Panasonic has been a pioneer in pyrolytic graphite technology for decades, developing PGS materials that deliver thermal conductivity significantly higher than conventional metals while remaining lightweight and flexible.

Innovation Initiatives:

• Advanced PGS films with thermal conductivity up to 1950 W/mK

• Integrated thermal management solutions for automotive electronics

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8️⃣ 3. Kaneka Corporation

Headquarters: Minato-ku, Tokyo, Japan
Key Offering: Hypertherm Graphite Sheets, Heat Spreading Films

Kaneka has developed proprietary manufacturing technology for graphite sheets that achieve excellent thermal conductivity while maintaining mechanical flexibility.

Innovation Initiatives:

• Multiple product grades ranging from 400-1700 W/mK

• Custom film thickness options from 10μm to 100μm

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7️⃣ 4. Nippon Graphite Industries (nun h)

Headquarters: Chiyoda-ku, Tokyo, Japan
Key Offering: Natural Graphite Films, Synthetic Graphite Sheets

Nippon Graphite Industries specializes in high-performance graphite materials for thermal management applications across diverse industries.

Innovation Initiatives:

• Environmentally-friendly manufacturing processes

• Development of ultra-thin films for next-generation mobile devices

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6️⃣ 5. Jones Tech PLC

Headquarters: Jiangsu, China
Key Offering: Industrial-grade Graphite Films, Custom Thermal Solutions

Jones Tech is a leading Chinese manufacturer of thermal management materials, with significant market share in the Asia-Pacific region for consumer electronics applications.

Innovation Initiatives:

• Expansion of production capacity to meet growing market demand

• Strategic focus on cost-competitive high-performance solutions

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High Thermal Conductivity Graphite Film Market – View in Detailed Research Report

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5️⃣ 6. ZHONGYI Carbon Technology Co., Ltd.

Headquarters: Dongguan, Guangdong, China
Key Offering: Custom Graphite Films, Multi-layer Solutions

ZHONGYI Carbon Technology specializes in the research, development, and production of high thermal conductivity graphite films for various electronic applications.

Innovation Initiatives:

• Advanced manufacturing facility with annual capacity of 2 million square meters

• Development of composite graphite films for enhanced mechanical properties

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4️⃣ 7. Shenzhen Selen Science and Technology

Headquarters: Shenzhen, Guangdong, China
Key Offering: Industrial Graphite Films, Custom Thermal Interface Materials

Shenzhen Selen focuses on developing advanced thermal management solutions, with particular strength in high-performance computing and server applications.

Innovation Initiatives:

• Comprehensive thermal management solutions from design to manufacturing

• Strong R&D capabilities for next-generation thermal materials

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3️⃣ 8. Zhenjiang Bohao Technology Co., Ltd.

Headquarters: Zhenjiang, Jiangsu, China
Key Offering: Specialized Graphite Films, High-Thermal-Conductivity Materials

Zhenjiang Bohao Technology has emerged as a significant player in the graphite film market, particularly serving the growing demand from Chinese electronics manufacturers.

Innovation Initiatives:

• Development of graphite films optimized for automotive battery thermal management

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2️⃣ 9. Istoneplus Co., Ltd.

Headquarters: Suzhou, Jiangsu, China
Key Offering: Thermal Interface Materials, Custom Graphite Solutions

Istoneplus specializes in the production of graphite films for thermal management applications, with strong presence in the Asian electronics supply chain.

Innovation Initiatives:

• Expansion into flexible electronics and wearable device markets

• Focus on cost-efficient manufacturing while maintaining high performance standards

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1️⃣ 10. Nanoshel LLC

Headquarters: Wilmington, Delaware, USA
Key Offering: Advanced Graphite Films, Nanomaterial-Based Solutions

Nanoshel leverages nanotechnology to develop enhanced graphite film materials with superior thermal performance characteristics.

Innovation Initiatives:

• Development of nanomaterial-enhanced graphite films for extreme thermal conditions

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High Thermal Conductivity Graphite Film Market – View in Detailed Research Report

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🌍 Outlook: The Future of Thermal Management Is Smarter and More Efficient

The high thermal conductivity graphite film market is undergoing a fundamental transformation. While traditional cooling solutions still maintain significant market presence, the industry is investing heavily in advanced material science, manufacturing technologies, and application-specific solutions across diverse industries.

📈 Key Trends Shaping the Market:

• Integration of graphite films in flexible and foldable display devices

• Growing adoption in 5G communication equipment and infrastructure

• Increasing demand from automotive electronics and electric vehicle battery systems

• Development of multi-functional graphite films with EMI shielding capabilities

Get Full Report Here:
High Thermal Conductivity Graphite Film Market – View in Detailed Research Report

The companies listed above are not only addressing critical thermal challenges—they’re pioneering the next generation of thermal management solutions for tomorrow’s electronic devices.

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