Top 10 Companies in the Sealing Glass Market (2026): Market Leaders Powering Global Electronics

MARKET INSIGHTS

Global sealing glass market was valued at USD 317 million in 2024 and is projected to reach USD 435 million by 2032, exhibiting a CAGR of 4.8% during the forecast period.

Sealing glass is a specialized material used to create hermetic and highly insulating electrical seals between dissimilar materials such as metals, ceramics, or other glass components. Primarily from the borosilicate and aluminosilicate glass families, these materials are critical in applications requiring thermal stability and precise thermal expansion matching. The coefficient of thermal expansion (CTE) is a key factor, with compositions tailored for matched seals (aligned CTEs) or compression seals (controlled CTE mismatch). Low-temperature sealing glasses, or solder glasses, soften below 550°C and are widely used in sensitive electronics to prevent thermal damage.

The market growth is driven by increasing demand in the electronics and semiconductor industries, where hermetic sealing ensures device reliability. Asia‑Pacific dominates the market with a 45% share, led by China’s manufacturing sector, while Europe and North America each hold around 25%. Low‑temperature sealing glass accounts for 60% of the market, favored for its versatility in consumer electronics and batteries. Key players like Schott AG, AGC, and Nippon Electric Glass, which collectively hold 80% market share, are investing in advanced formulations to meet rising demand for miniaturized and high‑performance components.

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Top 10 Companies in the Sealing Glass Market (2026)

10️⃣ 10. Shenzhen SAM

Headquarters: Shenzhen, China

Key Offering: Low‑temperature sealing glass for electronics and battery applications

Shenzhen SAM has rapidly scaled its production capacity to meet the growing demand in the Asia‑Pacific region. Leveraging advanced fabrication techniques, the company delivers high‑performance sealing glass with low thermal expansion mismatch, ideal for next‑generation electronic modules.

Sustainability Initiatives:

• Adoption of energy‑efficient furnace technologies reducing CO2 emissions.

• Implementation of a closed‑loop water recycling system.

• Partnerships with local universities to develop eco‑friendly glass formulations.

9️⃣ 9. Mo‑Sci

Headquarters: St. Louis, USA

Key Offering: High‑temperature sealing glass for aerospace and industrial applications

Mo‑Sci is recognized for its robust high‑temperature glass that can withstand extreme thermal cycling, making it indispensable for aerospace and heavy‑industry sectors. The company continues to innovate through material science research.

Sustainability Initiatives:

• Reduction of volatile organic compound (VOC) emissions in manufacturing.

• Use of recycled glass feedstock to lower raw material footprint.

• ISO 14001 certification for environmental management.

8️⃣ 8. 3M

Headquarters: St. Paul, USA

Key Offering: Composite sealing solutions integrating glass and polymer for flexible electronics

3M’s integrated sealing technologies combine the superior hermeticity of glass with the mechanical flexibility of polymers, catering to emerging flexible and wearable electronics.

Sustainability Initiatives:

• Investment in renewable energy for production facilities.

• Development of recyclable packaging materials.

• Commitment to reduce water usage by 20% by 2030.

7️⃣ 7. Fusite (Emerson)

Headquarters: St. Louis, USA

Key Offering: Advanced low‑temperature sealing glass for semiconductor packaging

Fusite specializes in low‑temperature glass that enables reliable sealing at temperatures below 550°C, protecting sensitive semiconductor components during assembly.

Sustainability Initiatives:

• Energy‑efficient processing lines.

• Use of recycled materials in packaging.

• Participation in global sustainability reporting frameworks.

6️⃣ 6. Elan Technology

Headquarters: San Jose, USA

Key Offering: Eco‑friendly sealing glass with low environmental impact

Elan Technology focuses on developing glass formulations with reduced hazardous content, aligning with stringent RoHS and REACH regulations while maintaining high performance.

Sustainability Initiatives:

• Zero‑hazardous‑substance strategy.

• Carbon‑neutral production goal by 2035.

• Collaborations with NGOs for sustainable supply chain.

5️⃣ 5. Corning

Headquarters: Corning, USA

Key Offering: Ultra‑low expansion sealing glass for high‑precision instruments and aerospace

Corning’s breakthrough ultra‑low expansion glass delivers exceptional dimensional stability, essential for aerospace sensors and precision instrumentation.

Sustainability Initiatives:

• Investment in renewable energy projects.

• Recycling of glass waste streams.

• Transparent sustainability reporting.

4️⃣ 4. Nippon Electric Glass

Headquarters: Tokyo, Japan

Key Offering: Advanced high‑temperature sealing glass for electronics and automotive

NEG delivers high‑temperature glass that meets the demanding thermal requirements of automotive electronics and advanced semiconductor packaging.

Sustainability Initiatives:

• Energy‑saving furnace technologies.

• Water‑recycling initiatives.

• Commitment to reduce greenhouse gas emissions by 30% by 2030.

3️⃣ 3. AGC Inc.

Headquarters: Tokyo, Japan

Key Offering: Low‑temperature sealing glass and advanced packaging solutions

AGC’s glass portfolio supports the semiconductor industry with low‑temperature formulations that enable high‑density packaging and reduced thermal stress.

Sustainability Initiatives:

• Investment in green manufacturing technologies.

• Partnerships with semiconductor fabs to reduce waste.

• Carbon‑neutral production target by 2035.

2️⃣ 2. Schott AG

Headquarters: Mainz, Germany

Key Offering: Comprehensive range of high‑ and low‑temperature sealing glass for electronics, aerospace, and industrial sectors

Schott AG remains the industry leader with a century‑old heritage, offering a broad portfolio that serves the most demanding applications across multiple industries.

Sustainability Initiatives:

• Use of renewable energy across manufacturing sites.

• Closed‑loop recycling of glass waste.

• Goal to achieve net‑zero emissions by 2040.

1️⃣ 1. Johnson Matthey

Headquarters: London, UK

Key Offering: Eco‑friendly sealing glass with reduced hazardous content for medical and industrial applications

Johnson Matthey leads in developing glass formulations that meet stringent environmental regulations while delivering superior sealing performance for medical devices and industrial processes.

Sustainability Initiatives:

• Zero‑hazardous‑substance manufacturing.

• Carbon‑neutral operations by 2035.

• Investment in sustainable research partnerships.

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Market Outlook and Future Trends

The sealing glass market is poised for steady expansion, driven by the continued miniaturization of electronic devices and the rapid adoption of electric vehicles. Low‑temperature glass is expected to dominate, with R&D focused on further reducing processing temperatures below 550°C while maintaining hermetic integrity.

Renewable energy applications, particularly solar and battery storage, will continue to create new demand streams, requiring robust sealing solutions that can withstand harsh environmental conditions.

In the aerospace and medical device sectors, the need for high‑precision, low‑thermal‑expansion glass will grow, spurred by stringent regulatory standards and performance demands.