Product Name:
High-Performance Alumina Ceramic Igniter / Ignition Electrode Assembly
Product Material:
High-Purity Alumina Ceramic (95% - 99.7% $Al_2O_3$), Heat-resistant alloy electrodes (Kanthal, Ni-Cr, or Iridium/Platinum)
Material Characteristics:
Superior electrical insulation (Volume resistivity >$10^{14}$ Ω·cm), High dielectric strength (>18 kV/mm), Excellent thermal shock resistance, High mechanical hardness and flexural strength, Outstanding chemical and oxidation resistance at high temperatures, Precision glazing capability for anti-fouling
Application Fields:
Gas-fired appliances, Industrial burner systems, Internal combustion engine start-up, Plasma ignition modules, Oil-fired furnace systems, High-temperature furnace monitoring, Gas turbines
Application Industries:
Heating and Energy (boilers, water heaters), Commercial kitchen equipment, Automotive and Transportation (pre-heaters), Industrial Manufacturing (steel, glass, ceramics), Aerospace (APU ignition), Environmental Protection (incinerators, VOC treatment)
Processing Difficulties:
Managing Coefficient of Thermal Expansion (CTE) mismatch between ceramic and metal, Achieving high-aspect-ratio deep-hole precision, Minimizing surface micro-cracks to ensure dielectric reliability, Preventing high-voltage leakage at the interface, Ensuring long-term bond integrity under extreme vibration
Processing Flow:
Raw material preparation → Isostatic or dry pressing → High-temperature sintering (1650°C-1750°C) → Precision OD/ID grinding → Surface glazing → Electrode assembly → High-voltage insulation testing → Spark consistency verification → Thermal cycling fatigue test → Final cleaning → Industrial packaging
Delivery Period:
Standard geometry components: 20-35 days, Customized/OEM high-precision designs: 45-75 days
This high-performance alumina ceramic igniter integrates specialized alumina insulators with heat-resistant alloy electrodes to provide stable, high-voltage spark generation and reliable mechanical support for combustion applications. Compared to traditional polymer or low-grade porcelain insulators, using high-purity alumina ensures superior dielectric strength, exceptional thermal shock resistance, and long-term durability, while maintaining consistent ignition timing and structural integrity under extreme heat and high-pressure conditions.
Key Features
Excellent electrical insulation and dielectric strength for high-voltage spark reliability
Stable performance under rapid thermal cycling and extreme combustion temperatures
High mechanical hardness and vibration resistance for harsh environments
Zero carbon tracking and chemical corrosion resistance for long-term service life
Precise electrode positioning and robust metal-to-ceramic bonding
Optimized design for high-efficiency ignition in industrial and domestic energy systems
Core Technical Specifications
Our Market Advantages
