The Global Low Thermal Expansion Glass Market was valued at USD 1.2 Billion in 2023 and is projected to reach USD 1.8 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.7% during the forecast period (2024-2030). This growth is driven by increasing demand from semiconductor manufacturing, aerospace applications, and precision optics industries where dimensional stability under temperature variations is critical.

As industries demand materials with exceptional thermal stability for applications ranging from space telescopes to semiconductor lithography, manufacturers are innovating with specialized glass formulations. In this analysis, we profile the Top 10 Companies in the Low Thermal Expansion Glass Industry that are shaping the future of advanced materials.

---

🔟 1. AGC Inc.

Headquarters: Tokyo, Japan
Key Offering: Ultra-Low Expansion Glass, Glass-Ceramics

AGC (formerly Asahi Glass) is a global leader in specialty glass production, offering ultra-low expansion materials like CLEARCERAM-Z, which achieves near-zero thermal expansion across a wide temperature range (-50°C to 150°C).

Innovation Highlights:

• Pioneer in glass-ceramic technology with nano-crystal control
• Major supplier for semiconductor equipment manufacturers
• Expanding production capacity for astronomic mirror substrates

Download FREE Sample Report:
Low Thermal Expansion Glass Market – View Detailed Research Report

---

9️⃣ 2. Schott AG

Headquarters: Mainz, Germany
Key Offering: ZERODUR®, Specialty Borosilicate Glass

Schott’s ZERODUR® has become the gold standard for astronomical mirrors, with near-zero thermal expansion between 0-50°C. The material is used in nearly all major ground-based telescopes and space observatories.

Innovation Highlights:

• Supplied mirror substrate for James Webb Space Telescope
• Developing next-gen formulations with improved mechanical properties
• Strategic partnerships with leading astronomy organizations

---

8️⃣ 3. Corning Incorporated

Headquarters: Corning, New York, USA
Key Offering: ULE® Glass, Eagle XG® Glass

Corning’s Ultra Low Expansion (ULE) glass exhibits near-zero thermal expansion at room temperature, making it essential for aerospace and semiconductor applications.

Innovation Highlights:

• Manufactures 4m-class monolithic telescope mirrors
• Key supplier for photolithography equipment makers
• Investing in new melting technologies for improved homogeneity

---

7️⃣ 4. Ohara Corporation

Headquarters: Sagamihara, Japan
Key Offering: Clearceram, Lumiceram Glass-Ceramics

Ohara specializes in precise optical glass formulations, with its Clearceram series offering ultra-low CTE (Coefficient of Thermal Expansion) glass-ceramics.

Innovation Highlights:

• Developed the first non-alkaline glass-ceramic
• Key supplier for semiconductor inspection equipment
• Expanding aerospace applications for dimensionally stable components

---

6️⃣ 5. Nippon Electric Glass Co., Ltd.

Headquarters: Otsu, Japan
Key Offering: NeoCERAM, Specialty Glass Substrates

Nippon Electric Glass develops low-expansion glass-ceramics under the NeoCERAM brand, with tailored CTE for various precision applications.

Innovation Highlights:

• Advanced formulations with negative thermal expansion characteristics
• Major supplier for flat panel display manufacturing equipment
• Developing hybrid glass-ceramic composites

Download FREE Sample Report:
Low Thermal Expansion Glass Market – View Detailed Research Report

---

5️⃣ 6. Elan Technology

Headquarters: Newport, Rhode Island, USA
Key Offering: Precision Glass, Custom Ceramics

Elan Technology provides specialty glass formulations with controlled thermal expansion properties for defense and industrial applications.

Innovation Highlights:

• Custom formulations for hermetic sealing applications
• Military-certified materials for harsh environments
• Develops matched-CTE glass-to-metal seals

---

4️⃣ 7. Jeannette Specialty Glass

Headquarters: Jeannette, Pennsylvania, USA
Key Offering: Fused Quartz, Specialty Glass Components

Jeannette Specialty Glass manufactures ultra-pure fused quartz with extremely low thermal expansion characteristics for semiconductor applications.

Innovation Highlights:

• High-purity materials for extreme UV applications
• Custom machining of complex glass components
• Critical supplier for semiconductor capital equipment

---

3️⃣ 8. Okamoto Glass

Headquarters: Tokyo, Japan
Key Offering: Optical Glass, Low-CTE Substrates

Okamoto Glass develops specialized low-expansion glass formulations used in precision measurement devices and scientific instruments.

Innovation Highlights:

• Innovative glass composition for laser applications
• Strategic partnerships with metrology equipment makers
• Developing glass-ceramics with improved thermal shock resistance

---

2️⃣ 9. Heraeus Holding GmbH

Headquarters: Hanau, Germany
Key Offering: Herasil®, Specialty Fused Silica

Heraeus produces ultra-pure fused silica under the Herasil brand, offering exceptional thermal stability for semiconductor and optical applications.

Innovation Highlights:

• Leading supplier for EUV lithography systems
• Develops custom glass formulations for space applications
• Patented melting techniques for improved homogeneity

---

1️⃣ 10. Tosoh Quartz Corporation

Headquarters: Tokyo, Japan
Key Offering: High-Purity Fused Quartz, Custom Components

Tosoh Quartz manufactures synthetic fused silica with consistent thermal properties for critical semiconductor and optical applications.

Innovation Highlights:

• Industry-leading bubble-free quartz production
• Specializes in large-diameter quartz components
• Developing new surface treatment technologies

Get Full Report Here:
Low Thermal Expansion Glass Market – View Detailed Research Report

---

🌍 Outlook: The Future of Low Thermal Expansion Glass

The low thermal expansion glass market is entering a phase of accelerated innovation, driven by demands from semiconductor manufacturing, space exploration, and precision engineering sectors.

📈 Key Trends Shaping the Market:

• Increasing demand for larger telescope mirrors in astronomy
• Adoption in advanced semiconductor manufacturing equipment
• Development of novel glass-ceramic composites
• Integration with emerging technologies like quantum computing
• Expansion of aerospace applications for dimensionally stable components

Get Full Report Here:
Low Thermal Expansion Glass Market – View Detailed Research Report

The companies profiled above represent the technological vanguard in materials science, developing the specialized glasses that enable cutting-edge scientific discoveries and advanced industrial processes.