Built for Mission-Critical Since 1967
Delivering zero-failure hermetic solutions for aerospace, defense, medical, and other high-reliability industries.
Built for High-Stakes Performance
Hermetron is a one-stop shop for complete hermetic sealing solutions. We manufacture glass-to-metal, ceramic-to-metal, and proprietary polymer insulators for custom hermetic packages, headers, connectors, and feedthroughs.
Our components are built for mission-critical aerospace, defense, medical, energy, and industrial applications. Whether exposed to vacuum, pressure, or extreme temperatures, Hermetron solutions perform reliably and meet the strictest compliance standards.
This commitment to reliability and performance in high-stakes environments drives everything we do — from material science to final assembly.
Custom Solutions, Built Around You
From single prototypes to large production runs, we provide the manufacturing flexibility and custom engineering your project demands. Hermetron offers full in-house engineering and build-to-spec capabilities, enabling us to deliver truly tailored solutions. Our solutions are engineered to your exact specifications, with flexible engagement models that adapt to your technical and production requirements.
With decades of engineering experience and advanced capabilities—including our proprietary GlassTomer™ technology—we solve your hermetic challenges that others can’t.
Proven Performance, Backed by Real Results
Trusted by Tier-1 aerospace and defense OEMs. Proven consistency across every industry we serve.
GlassTomer™-sealed products manufactured and delivered with zero failures
On-time delivery rate
Quality score consistently achieved from several major defense and aerospace clients
Different types of products
Industries We Serve
Hermetron’s hermetic solutions are trusted across mission-critical applications in aerospace, defense, medical, energy, and industrial sectors.
Our components meet the strictest industry standards including MIL-STD, NASA, 883E, and JEDEC requirements.
Aerospace
Avionics • Satellite Communications • Flight Control Systems
Built for high-shock, vibration, and temperature-sensitive platforms. Designed to meet NASA and MIL-STD requirements.
Defense
Missiles • Guided Munitions • Ruggedized Electronics
Trusted for zero-failure performance in mission-critical systems.
Compliant with MIL-STD.
Medical
Implantable Devices • Surgical Instruments
Precision-sealed to ensure biocompatibility and long-term reliability.
Industrial
High-Temperature Sensors • Harsh-Environment Control Systems
Engineered for durability under thermal, mechanical, and chemical stress.
Energy
Downhole Tools • High-Voltage Power Electronics
Sealed for durability under pressure, heat, and corrosive conditions.
Hermetron delivered a custom solution that passed first-time qualification in a high-shock aerospace platform. Their engineering support and seal integrity were second to none.
Senior Systems Engineer
Defense Contractor
Engineered for Zero-Failure Performance
Hermetron engineers quality into every component — and verifies it at every step. Every part undergoes multi-stage inspection using advanced testing systems to ensure it performs exactly as required, every time.
Quality Measures
Certifications
Key Milestones
A few highlights from our six-decade journey.
Founded in Israel
Ilan Gorstein pioneers hermetic sealing in Israel after studying the technology in the U.S., laying the foundation for decades of high-reliability innovation.
Breakthrough Innovation: GlassTomer™
Hermetron develops GlassTomer™ for Israel Aerospace Industries — a proprietary sealing material that enables hermetic aluminum packaging for advanced aerospace and defense systems.
Expanded to Meet Growing Demand
Hermetron moves to a larger facility in Caesarea, adding automation and modern infrastructure to scale production for increasing demand in high-reliability sectors.
Explore Our Full History
Discover the complete timeline of innovation, from our pioneering beginnings to cutting-edge solutions shaping the future of hermetic sealing.
Our Expert Team
Hermetron has a team of engineers and technical experts specializing in materials science, mechanical design, electronics, and manufacturing. With decades of collective experience, our professionals approach every project with precision, responsiveness, and engenuity.
We collaborate directly with our clients’ engineers to find solutions that meet demanding specifications. From prototyping to production, we ensure technical alignment and clear communication at every step.
At Hermetron, we embrace customer challenges as opportunities to innovate. That mindset is reflected in the quality of every product we deliver.
Leeor Gorstein
CEO
Let’s Talk Hermetic Solutions
Whether you’re exploring options or ready to start—let’s find the right solution for your hermetic needs.