In gas turbines, industrial burners, pellet stoves, and high-temperature ignition systems, failure of the igniter means sudden downtime.
For years, metallic heating elements (such as Kanthal wires or metal-sheathed rods) were the standard. However, when operated at temperatures exceeding 1000°C in oxidative or corrosive flue environments, metal wires suffer from rapid oxidation, thermal sagging, and eventual electrical burnout.
This is why equipment manufacturers are transitioning to MCH (Metal Ceramics Heater) technology using high-purity Alumina (Al₂O₃).
Key Advantages of Alumina Ceramic Heating Elements & Igniters:
1️⃣ Ultra-Fast Thermal Response (＞1000℃ in seconds)
- Co-Fired Technology: Tungsten/Molybdenum resistance circuits are screen-printed directly onto thin Alumina sheets and co-fired at high temperatures (≈1600℃).
- Efficiency: Achieves ignition temperatures (＞1000℃ ~ 1200℃) in less than 10 seconds, drastically reducing start-up time and energy consumption during ignition cycles.
2️⃣ Complete Resistance to Oxidation & Corrosion
- The metallic resistance trace is fully embedded and hermetically sealed inside the dense, non-porous Al₂O₃ matrix.
- Unlike exposed metal coils, the heating element never contacts ambient oxygen, acidic moisture, or harsh combustion gases, preventing chemical attack and resistance drift.
3️⃣ Outstanding Mechanical Strength & Dielectric Safety
- 95%～99% Alumina provides high dielectric breakdown strength (>15 kV/mm) even at elevated temperatures, ensuring zero electrical leakage.
- High flexural strength prevents breakage caused by vibration or thermal expansion in dynamic burner chambers.
Upgrading your combustion igniters or micro-heater designs?
Whether you require standard cylindrical igniter pins, flat plate heaters, or custom 3D heating geometries, send us your voltage and wattage requirements. Let’s build a more reliable heating core together!