Product Details
1. Overview of Alumina Ceramic Spark Ignition Electrode
1.1 Definition & Core Function
The 95% & 99% alumina ceramic spark ignition electrode (also called ceramic igniter needle) is a core safety component for all gas-fired combustion equipment. It generates a concentrated high-voltage electric arc at the tip to instantly ignite the gas-air mixture, delivering fast, stable and repeatable ignition performance.
Paired with high-voltage igniter modules to form a complete ignition system, many integrated models also support flame detection safety shutoff — automatically cutting off gas supply when the flame goes out to prevent leakage risks. It is fully compatible with natural gas, LPG, pipeline gas and other common fuel types.
1.2 Product Structure & Main Types
A standard electrode consists of four core parts: high-purity alumina ceramic insulator, high-temperature alloy probe, heat-resistant insulated wire and connection terminal. The ceramic body acts as both a high-voltage insulating support and precision positioning fixture, maintaining a stable spark gap while eliminating electric leakage hazards.
Two main product types are available:
*Standalone electrodes: 95% alumina for household scenarios, 99% high-purity alumina for commercial/industrial heavy-duty use
*Integrated pilot assemblies: built-in injectors, thermocouples/thermopiles, wires and mounting brackets, for easier installation and higher system safety
2. Core Performance Characteristics
2.1 Thermal & Mechanical Performance of Ceramic Matrix
The high-density sintered alumina ceramic takes excellent high-temperature resistance and thermal shock stability as its core advantages.
*Works continuously at up to 1250°C, forming a dense anti-corrosion oxide film on the surface under high temperature, with no performance degradation after long-term operation
*Withstands dozens of rapid heating-cooling cycles without cracking, chipping or deformation, far more reliable than ordinary ceramic or plastic insulators
*Glazed smooth surface with high hardness and ultra-low water absorption, resists carbon and oil fouling, reducing ignition failure risks and later maintenance frequency
2.2 Chemical Stability & Insulation Performance
With 95%–99% high-purity Al₂O₃ as the main component, the ceramic has excellent chemical inertness, resisting corrosion from combustion flue gas, kitchen oil, detergent and moisture. No harmful substances precipitate at high temperatures, safely adapting to food processing and commercial kitchen scenarios.
It provides reliable high-voltage insulation with resistivity ≥500 Ω·m, stably withstands 220–250V AC working voltage and instantaneous high-voltage pulses, ensuring user safety in daily operation.
2.3 Probe & Wire Configuration Options
Multiple high-temperature alloy probes are available for different working conditions, all featuring fast ignition and strong conductivity:
*0Cr25Al5: temperature resistance up to 1200°C, cost-effective for household and ordinary commercial equipment
*Cr27Al7Mo2: temperature resistance up to 1350°C, with over 10 times longer service life, ideal for industrial burners and boilers
*Ni80Cr20 and imported high-temperature wires: 1100–1500°C temperature range, customizable on demand
Wire options include bare copper wire, Teflon wire, braided wire and silicon rubber wire. Teflon wire with glass fiber protective layer is the most widely used model, with outstanding electrical insulation, corrosion resistance, flame retardancy and aging resistance. Standard connectors include M12, M16, G1/2 and 1 inch, available in bronze or stainless steel.
3. Technical Specifications
3.1 Core Material Configuration
The ignition electrode uses 95% / 99% high-purity alumina ceramic as the insulating main body. Optional probe materials cover SUS304, SUS316, conventional 0Cr25Al5 and premium Cr27Al7Mo2 high-temperature alloys.
Lead wires are available in Teflon, silicone rubber and braided types, with a glass fiber protective layer for enhanced durability.
The insulation medium consists of PTFE and alumina ceramic, guaranteeing reliable high-voltage insulation performance.
3.2 Electrical & Working Parameters
It features a rated working voltage of 220~250V AC with insulation resistivity no less than 500 Ω·m. The product fits an ambient working temperature of ≤200°C and a maximum working pressure of 1.6 MPa.
The ceramic body withstands continuous high temperature up to 1250°C, and is fully compatible with natural gas, LPG and pipeline gas.
3.3 Dimensional & Customization Options
The standard probe length covers 10–100cm, and standard connector specifications include M12 / M16, G1/2 and 1 inch.
All sizes, connector types and wire lengths support full customization based on customer drawings.
The ceramic body is available in two standard finishes: white and cream-colored.
4. Customization Service
We support full customization based on customer drawings and actual needs, including total electrode length, ceramic shape and size, assembly method, wire length and connector type.
Drawing-based proofing is available for testing verification before mass production. Customers can also select material grades and wire types to match different product positioning and cost budgets.
Alumina ceramic ignition electrodes are widely used in household, commercial and industrial fields, serving as the core ignition component for various burners and combustion systems.
*Household: gas stoves, built-in ovens, gas water heaters, barbecue grills
*Commercial: hotel stoves, catering ovens, food processing machinery
*Industrial: combustion machines, industrial burners, boilers, ceramic kilns, chemical heating and drying systems
We provide a full range of product series for different scenarios to meet diverse customer demands.
Product Parameter Table
| The main chemical ingredient |
|
|
Al2O3 |
Al2O3 |
| Bulk Density |
|
g/cm3 |
3.6 |
3.89 |
| Maximum Use Temperature |
|
|
1450°C |
1600°C |
| Water absorption |
|
% |
0 |
0 |
| Flexural strength |
20°C |
MPa (psi x 103) |
358 (52) |
550 |
| Coefficient of thermal expansion |
25 - 1000°C |
1X 10⁻⁶/°C |
7.6 |
7.9 |
| Coefficient of thermal conductivity |
20°C |
W/m °K |
16 |
30 |
Development History
Patents and certification
We’ve obtained various global certifications including CE, EMC, LVD, RoHS, FDA, MSDS, ISO 9001, SGS and TUV. We also own eight registered trademarks and forty technical patents to support independent R&D.
Our proprietary core technologies run through all product lines: porous ceramics, industrial ceramic components, special glass, metallized ceramics, liquid absorption cotton, ozone generators and silicone goods. All products are manufactured in strict accordance with international quality standards, delivering reliable and high-performance solutions that have gained wide recognition and market trust worldwide.
Package
We adopt scientific and standardized packaging solutions tailored to product characteristics to effectively prevent collision, extrusion, dust and moisture damage. With mature global transportation system and strict shipment inspection procedures, we ensure all products remain intact and stable during long-distance delivery, providing customers with safe, efficient and reliable one-stop logistics service.
Services
Inquiry & Customization
We provide fast and accurate quotation response for all your inquiries. Flexible OEM & ODM customization solutions are available to meet your unique product design, packaging and branding requirements.
Order Quality Control
We keep clients updated with full production progress throughout the whole order cycle. Our QC team carries out strict comprehensive pre-shipment inspection to guarantee all goods comply with your quality standards before delivery.
Customs Document Support
We prepare a full set of standard export documents including commercial invoice, packing list, certificate of origin and other certification papers, to ensure smooth global customs clearance for shipments to all destinations worldwide.
One-Stop Logistics
Multiple shipping methods including sea freight, air freight and express delivery are offered to match your schedule and budget. We supply real-time cargo tracking service so you can monitor shipment status anytime.
Flexible Payment
We support a wide range of secure international payment terms such as T/T, L/C, Western Union and other mainstream cross-border settlement methods to reduce your cross-border transaction risks.
After-Sales Support
Our professional after-sales team offers timely technical and business support all year round. We maintain steady long-term stable supply capacity to fully back up your continuous market sales and project demands.
FAQ
01
Question: Can you produce based on customers’ drawings or physical samples?
Answer: Absolutely yes. We accept technical drawings in all mainstream file formats as well as actual physical samples. Before formal production, our engineering team will provide a full professional DFM feasibility evaluation for your reference.
02
Question: How long is the production lead time for custom orders?
Answer: Sample lead time: 3–7 working days. Custom mold lead time: 5–10 working days (we will confirm the cycle separately with you for complex molds). Mass production lead time: 7–20 working days, depending on product structure complexity and order quantity.
03
Question: What’s your minimum order quantity for custom products?
Answer: We provide flexible MOQ solutions for all customized items. We will try our best to set a low minimum order volume to support your small-batch trial orders, meanwhile we can handle stable mass production to satisfy your long-term bulk demands.
04
Question: What customization services can you provide?
Answer: We support comprehensive one-stop customization, including product size, shape, appearance, precision tolerance, surface treatment, hole grooving, bending, cutting and adjustable high-temperature resistant parameters. Custom engraved LOGO and exclusive customized packaging are also available as extra personalized options upon request.
05
Question: Do you accept third-party inspection of finished products?
Answer: Yes, we fully cooperate with all mainstream authorized third-party testing institutions. Well-known organizations such as SGS, BV and other internationally recognized inspection bodies are all acceptable. We can supply complete official inspection reports and material certification documents as you require.
06
Question: Can you customize raw material options for products?
Answer: Sure. We can select and match appropriate raw materials according to your application scenarios, working conditions and performance requirements, including alumina, zirconia, quartz, silicone and other special engineering materials, and adjust related performance parameters to meet your usage standards.
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