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30 Years of Expertise in Specialty Glass & Technical Ceramics

As one of the pioneering glass to metal seal manufacturers, we offer engineering support for powder glass selection, glass preform design, and custom sealed material compositions.

GLASS TO METAL HERMETIC SEALS

At Spcera, we specialize in crafting advanced sealing glass powder and glass-to-metal hermetic seals, providing superior sealing solutions for a diverse range of applications such as electronics, aerospace, automotive, and other industries. Equipped to deliver sealing solutions that protect and enhance the integrity of your critical components, choose us for a partnership that brings both technical excellence and a deep understanding of your sealing needs.

Glass to Metal Seal

Our Core Products

Engineered for performance, reliability, and hermetic integrity across demanding industries.

Sealing Glass

Sealing Glass

Specialized material for durable, hermetic bonds between glass and metal. Offers excellent thermal and electrical insulation. Available in powder and preform formats.

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Glass to Metal Seals

Glass to Metal Seals

Airtight connections essential for hermetic sealing in electronics, automotive, and medical devices. Resistant to thermal and environmental stress.

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Battery Terminal Cap

Battery Terminal Cap

Ensures integrity and safety of batteries with airtight, moisture-proof sealing. Prevents electrolyte leakage and contamination.

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Kovar Sealing Glass

Kovar Sealing Glass

Precision-engineered sealing glass optimized for use with Kovar alloys. Ideal for vacuum tubes, sensors, and electronic packaging.

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Iron Sealing Glass

Iron Sealing Glass

Designed for compatibility with iron-based alloys. Offers stable thermal expansion and high mechanical strength in harsh environments.

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Glass Preforms

Glass Preforms

Custom-shaped glass components ready for sealing processes. Ensures consistent quality and reduces processing time.

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Battery End Seals

Battery End Seals

Hermetic seals for battery enclosures. Critical for performance and safety in high-demand and portable energy storage systems.

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Steatite Ceramic

Steatite Ceramic

High-purity technical ceramic with excellent electrical insulation and thermal stability. Used in insulators and substrates.

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Oxygen Sensor Gasket

Oxygen Sensor Gasket

Precision ceramic gaskets for oxygen sensors in automotive and industrial applications. Resistant to high temperatures and corrosive gases.

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New Ceramic

New Ceramic

Advanced ceramic materials developed for next-generation applications. Custom formulations available for unique performance requirements.

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Who We Are

We are industry-leading technical ceramics manufacturers specializing in the research and production of high-quality powder glass and innovative solutions. Founded in 2015, we are backed by 30 years of industry experience and a team of top materials experts.

We operate two innovative lab centers and invest more than 7% of our annual revenue in R&D, ensuring continuous innovation and technical leadership in sealing glass and glass-to-metal hermetic seals.

39+
Patents Granted
600+
Annual Production in Tonnes
11+
R&D Team Members
20+
QC Team Members
30+
Years of Experience

How Can You Benefit from GTMS?

Our glass-to-metal seals deliver unmatched performance in critical applications.

Hermetic Sealing

Create hermetic seals to protect sensitive electronic and electrical components from moisture, air, dust, and chemical contaminants.

Thermal and Electrical Insulation

Our seals provide excellent thermal and electrical insulation, ideal for electrical feedthroughs, ensuring safety and efficiency.

Durability and Longevity

Engineered to withstand high temperatures, pressure variations, and corrosive environments, ensuring long service life and reduced maintenance.

Why Choose Spcera?

R&D Powerhouse

We operate two R&D centers in Shenzhen and Ganzhou, staffed by 11 highly skilled specialists, including 2 doctorates and 2 master's degree holders.

With 39 patents granted in sealing glass technology, we are committed to innovation and technical excellence in every product we deliver.

Get in Touch

Ready to start your project? Connect with our team for expert support in sealing glass and glass-to-metal hermetic solutions.

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