Ceramic igniter 30773-00005-9878

for burnerssolid fuelbiomass

Short description
This alumina (Al₂O₃) ceramic igniter is intended for ignition in pellet stoves, biomass boilers and other solid-fuel heating systems. Manufactured from 96% high-purity alumina ceramic with a black protective coating, it offers electrical insulation, temperature resistance and dimensional stability for repeated heating cycles.

Product Specifications
Product Type: Alumina Ceramic Igniter / Cartridge Heater
Material: 96% Alumina Ceramic (Al₂O₃)
Surface Finish: Black ceramic coating
Outer Diameter (OD): Φ11.50 mm
Inner Diameter (ID): Φ6.50 mm
Length: 108 mm
Rated Voltage: 230 VAC
Resistance Range: 67.2–109 Ω
Steady-State Power: 270–315 W
CAS Number: 1344-28-1

Specifications / Tolerances
Outer diameter (mm): 11.5 | Tolerance: ±0.3 mm
Inner diameter (mm): 6.5 | Tolerance: ±0.3 mm
Length (mm): 108 | Tolerance: ±1.5 mm

Electrical Properties
Dielectric Constant (1 MHz, 25°C): 9.8
Dielectric Strength: 15 kV/mm
Volume Resistivity: 1e14 Ω·cm

Physical Properties
Density: 3.7 g/cm³

Thermal Properties
Thermal Conductivity (20–400°C): 24 W/m·K
Coefficient of Thermal Expansion: 20–300°C: 6.9 ×10⁻⁶/°C; 300–800°C: 7.8 ×10⁻⁶/°C

Mechanical Properties
Modulus of Elasticity: 340 GPa

Applications

• Wood pellet stoves
• Wood pellet boilers
• Pellet burners
• Wood chips burners
• Straw burners
• Coal stoves
• Other biomass burners

Technical specifications

• Forms: Bars, Rods & Tubes; Round Tubes; Tubes
• Purity: 96%
• Formula: Al₂O₃
• Commodity: Ceramic Igniters