The Global Glass Like Carbon Market was valued at USD 145.8 Million in 2023 and is projected to reach USD 215.3 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.7% during the forecast period (2024–2030). This growth is primarily driven by increasing demand from the semiconductor and electronics industries, advancements in medical implant technologies, and the expanding use of GLC in high-purity analytical and electrochemical applications.

As industries demand materials that offer exceptional thermal stability, chemical inertness, and high purity, glass-like carbon has emerged as a critical advanced material. In this blog, we profile the Top 10 Companies in the Glass Like Carbon Industry—a mix of specialized material scientists, global carbon giants, and precision component manufacturers shaping the future of high-performance materials.

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🔟 1. HTW Hochtemperatur-Werkstoffe GmbH

Headquarters: Thierhaupten, Germany
Key Offering: SIGRADUR® GLC Grades (plates, rods, tubes, custom shapes)

HTW is a globally recognized leader in the development and manufacture of high-temperature materials, with its SIGRADUR® brand of glass-like carbon being an industry benchmark. The company serves demanding sectors such as semiconductor manufacturing, aerospace, and research laboratories with materials known for their ultra-high purity and exceptional thermal and mechanical properties.

Innovation and Application Focus:

• Pioneering high-purity GLC for crystal growth crucibles (e.g., LED production)

• Customizable geometries and surface finishes for specialized applications

• Strong R&D focus on expanding GLC’s use in extreme environments

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9️⃣ 2. Tokai Carbon Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: GC Grade Glassy Carbon, Isomolded Graphite, Carbon Black

As one of the world’s largest carbon product manufacturers, Tokai Carbon brings significant scale and expertise to the glass-like carbon market. The company produces a wide range of GLC products, including components for high-temperature furnaces, electrodes for electrochemistry, and parts for the semiconductor industry.

Innovation and Application Focus:

• Integration of GLC into broader carbon and graphite product portfolios

• Focus on cost-effective manufacturing for widespread industrial adoption

• Expanding applications in energy storage and battery research

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8️⃣ 3. Mersen Group

Headquarters: Paris, France
Key Offering: Graphite Solutions, GLC Crucibles, Electrical Contacts

Mersen is a global expert in electrical power and advanced materials, offering glass-like carbon components primarily for high-temperature and corrosive environments. Their products are critical in applications ranging from metal evaporation to sophisticated laboratory analysis equipment.

Innovation and Application Focus:

• Development of composite materials combining GLC with other carbon forms

• Specialization in large-scale and custom-engineered GLC components

• Focus on reliability and longevity in industrial process applications

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7️⃣ 4. NEYCO

Headquarters: Vanves, France
Key Offering: High-purity Glassy Carbon, Vacuum and Thermal Components

NEYCO specializes in vacuum and high-temperature technology components, with glass-like carbon being a key material in their portfolio. The company is particularly strong in the European market, supplying research institutions and industrial clients with precision GLC parts.

Innovation and Application Focus:

• Expertise in vacuum-compatible GLC components

• Supply of GLC for thin-film deposition and surface science applications

• Collaboration with research labs for custom material solutions

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6️⃣ 5. SPI Supplies

Headquarters: West Chester, Pennsylvania, USA
Key Offering: GLC substrates, SEM stubs, sputtering targets

A division of Structure Probe, Inc., SPI Supplies is a leading provider of materials and equipment for microscopy and microanalysis. Their glass-like carbon products are widely used in sample preparation and analysis across materials science, life sciences, and failure analysis laboratories.

Innovation and Application Focus:

• Focus on GLC products for analytical and research applications

• Supply of standardized GLC components for scientific instrumentation

• Strong presence in the North American academic and research market

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5️⃣ 6. Alfa Aesar (Thermo Fisher Scientific)

Headquarters: Ward Hill, Massachusetts, USA
Key Offering: Research-grade GLC, Laboratory Crucibles, Electrodes

As part of Thermo Fisher Scientific, Alfa Aesar is a major global supplier of research chemicals, metals, and materials. Their glass-like carbon products are targeted primarily at the research and development sector, providing high-purity materials for scientific experimentation and analysis.

Innovation and Application Focus:

• Global distribution network for research institutions and universities

• Emphasis on material consistency and batch-to-batch reproducibility

• Integration with broader laboratory supplies and equipment ecosystem

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4️⃣ 7. Nisshinbo Chemical Inc.

Headquarters: Tokyo, Japan
Key Offering: Glass-like Carbon Products, Carbon Composites

Nisshinbo Chemical, a subsidiary of the Nisshinbo Holdings Inc. conglomerate, manufactures and markets a diverse range of chemical products, including specialized carbon materials. The company’s GLC offerings are particularly strong in the Asian market, serving the electronics and specialty chemicals industries.

Innovation and Application Focus:

• Development of GLC for electronic component applications

• Strong focus on the Asian semiconductor and display manufacturing sectors

• Research into new carbonaceous materials and their applications

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3️⃣ 8. Beijing Jinglong Special Carbon Technology Co., Ltd.

Headquarters: Beijing, China
Key Offering: Special Carbon Materials, GLC Components, Graphite Products

As a leading Chinese manufacturer of specialized carbon materials, Beijing Jinglong has a growing presence in the glass-like carbon market. The company caters to the rapidly expanding domestic market for high-tech materials while also building an international customer base.

Innovation and Application Focus:

• Cost-competitive manufacturing for price-sensitive markets

• Expanding production capacity to meet growing Asian demand

• Development of GLC for photovoltaic and new energy applications

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2️⃣ 9. Shanghai Qijie Material Technology Co., Ltd.

Headquarters: Shanghai, China
Key Offering: Glassy Carbon Plates, Rods, Custom Machined Parts

This specialized Chinese manufacturer focuses on the production and precision machining of glass-like carbon components. The company serves both domestic and international markets with a focus on customized solutions for specific client requirements.

Innovation and Application Focus:

• Specialization in custom-machined GLC components

• Focus on dimensional accuracy and surface finish quality

• Competitive pricing strategy for industrial and research applications

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1️⃣ 10. Stanford Advanced Materials (SAM)

Headquarters: Lake Forest, California, USA
Key Offering: High-Purity GLC, Sputtering Targets, Evaporation Materials

SAM is a global supplier of advanced materials with a comprehensive portfolio that includes various grades of glass-like carbon. The company serves a diverse customer base across R&D, electronics, and optical industries with a focus on material purity and performance consistency.

Innovation and Application Focus:

• Broad material portfolio supporting multiple high-tech industries

• Strong quality control and material certification processes

• Global logistics capability for timely material delivery

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🔬 Outlook: The Future of Glass Like Carbon Is High-Tech and High-Purity

The glass-like carbon market is undergoing significant transformation as new applications emerge in high-growth technology sectors. While traditional applications in laboratory equipment and metallurgy continue to provide a stable foundation, the future growth is increasingly driven by semiconductor manufacturing, medical technology, and next-generation energy storage.

📈 Key Trends Shaping the Market:

• Increasing miniaturization in electronics driving demand for ultra-pure GLC components

• Growth in biomedical applications, particularly for implantable devices and sensors

• Expansion of GLC use in green technologies, including fuel cells and battery research

• Advancements in manufacturing technologies enabling more complex GLC geometries

The companies listed above are not only supplying a critical advanced material—they’re enabling technological innovation across multiple high-value industries, from semiconductor manufacturing to life sciences and renewable energy.

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Glass Like Carbon Market – View in Detailed Research Report