Description
With excellent thermal shock resistance, electrical insulation, corrosion resistance, and compact structure, this igniter is widely used in industrial heating systems, combustion ignition devices, molds, petrochemical equipment, and high-temperature machinery.
It is suitable for OEM customization, bulk supply, and wholesale distribution from a professional ceramic igniter manufacturer and source factory.
Key Features & Performance Characteristics
- Hot-pressed silicon nitride ceramic substrate
- Maximum dry-point temperature up to 1200°C
- High surface heating load up to 25 W/cm²
- Small thermal inertia for fast heat-up response
- High mechanical strength and fracture toughness
- Excellent electrical insulation and dielectric strength
- Strong resistance to acid and alkali corrosion
- Compact size with long operational lifespan
Electrical Performance Parameters
- Rated Voltage: 55V – 250V
- Frequency: 50 / 60 Hz
- Rated Power: 250W – 650W
- Insulation Strength:
No breakdown at 2500V, 50Hz, 1 minute (room temperature)
Technical Specifications
| Parameter | Value |
|---|---|
| Flexural Strength (Room Temp.) | ≥ 900 MPa |
| Fracture Toughness | 6.0 – 8.0 MPa·m¹ᐟ² |
| Bulk Density | 3.20 – 3.40 g/cm³ |
| Volume Resistivity | ≥ 10¹⁴ Ω·cm |
| Relative Permittivity | 6 – 7 |
| Thermal Conductivity | 23 – 25 W/(m·K) |
| Thermal Expansion Coefficient | 3.1 × 10⁻⁶ /°C |
| Hardness | HRA 92 – 94 |
Mechanical Properties
- Hardness (HRA): 92.0 – 94.0
- Fracture Toughness: 6.0 – 8.0 MPa·m¹ᐟ²
- Flexural Strength: ≥ 900 MPa
Application Areas
- Industrial ignition systems
- Combustion and burning apparatus
- Mold heating systems
- Packaging machinery
- Tobacco processing equipment
- Petrochemical and chemical industry equipment
- General high-temperature industrial heating devices
Use Cautions
- Avoid rapid quenching or sudden heating cycles
- Do not splash water or liquids onto the heating element at high temperature
- Ensure stable voltage and proper installation conditions
Frequently Asked Questions (FAQ)
Q1: Are you the manufacturer of the BLK-C5-SN-350 silicon nitride igniter?
Yes. We are a professional ceramic heating element manufacturer and source factory, specializing in silicon nitride igniters with hot-press technology, serving global B2B customers.
Q2: Do you support OEM or customized specifications?
Yes. We provide OEM and ODM services, including voltage, power, dimensions, connectors, and application-specific customization for industrial equipment manufacturers.
Q3: Is this product suitable for wholesale and bulk orders?
Absolutely. We support factory-direct wholesale supply, long-term cooperation, and stable batch production for distributors, equipment manufacturers, and industrial suppliers.
Q4: What industries commonly use this silicon nitride igniter?
It is widely used in industrial heating, combustion ignition systems, petrochemical equipment, molds, packaging machinery, and other high-temperature applications.
Q5: How does silicon nitride compare to metal heating elements?
Silicon nitride offers faster heating, higher temperature tolerance, better insulation, corrosion resistance, and longer service life, making it ideal for harsh industrial environments.
