Ceramic igniter INH series

for burnerssolid fuelbiomass

Short description
Alumina (Al₂O₃) ceramic igniters, size 106×11.5 mm, black coating. Supplied as 5 sets per unit. Designed for high-temperature, corrosion-resistant ignition in industrial heating systems and biomass burners; compatible with wood pellets, wood chips, split logs and straw.

Features

• Black coating type
• Rated power: ≈300 W (+5% / −10%)
• Typical ignition time: 60–90 seconds
• Available voltages: 120 V, 220–240 V
• Certifications: RoHS, REACH, CE
• Multiple designs available and customizable (flange, cable length/type)
• Resistant to oxidation and corrosion at operating temperatures
• Engineered for ignition of biomass fuels (pellets, chips, logs, straw)

Applications

• Wood pellet stoves
• Wood pellet boilers
• Wood pellet burners
• Wood chips burners
• Straw burners
• Coal stoves and other biomass burners

General product specifications
Formula: Al₂O₃
Forms: Bars, rods & tubes
Material: Alumina (ceramic)
Purity: 95%
CAS number: 1344-28-1
Commodity: Ceramic bars, rods & tubes

Dimensions / Tolerances
Outer diameter: 11.5 mm | Tolerance: ±0.3 mm
Length: 106 mm | Tolerance: ±1.5 mm

Electrical Properties
Dielectric constant (1 MHz): 9.1–9.7
Volume resistivity (Ω·m): (20°C) > 10¹⁴ | (300°C) > 10¹¹ | (500°C) > 10⁹

Physical Properties
Density: 3.72 g/cm³

Thermal Properties
Thermal conductivity (25°C): 25 W/(m·K)
Coefficient of thermal expansion (×10⁶ mm/°C): (25–500°C) 6.6–7.5 | (25–800°C) 6.6–7.9

Mechanical Properties
Vickers hardness: ≥13 GPa

Available model variants / typical data

• Model INH-1-230 — Drawing GH106115TCL — Size: 106×11.5 mm — Voltage: 230 V — Resistance: 67.2–109 Ω — Reference power: 270–315 W — Flange: 26.6 mm ceramic base + silicone heat-shrink tube — Cable: customizable
• Model INH-2-230 — Drawing GH106115TC — Size: 106×11.5 mm — Voltage: 230 V — Resistance: 67.2–109 Ω — Reference power: 270–315 W — Flange: 17.7 mm ceramic base
• Model INH-3-230 — Drawing GH106115TCA — Size: 106×11.5 mm — Voltage: 230 V — Resistance: 67.2–109 Ω — Reference power: 270–315 W — Flange: silicone heat-shrink tube
• Model INH-4-230 — Drawing GH106115TCB — Size: 106×11.5 mm — Voltage: 230 V — Resistance: 67.2–109 Ω — Reference power: 270–315 W — Flange: G3/8 nut

Downloads available
Technical data sheet and product catalogue available in product resources.

Technical specifications / caractéristiques

• Dimensions: 106 mm (L) × 11.5 mm (OD)
• Tolerances: Length ±1.5 mm; Outer diameter ±0.3 mm
• Material: Alumina (Al₂O₃), purity 95%
• Density: 3.72 g/cm³
• Dielectric constant (1 MHz): 9.1–9.7
• Volume resistivity: >10¹⁴ Ω·m (20°C); >10¹¹ Ω·m (300°C); >10⁹ Ω·m (500°C)
• Thermal conductivity: 25 W/(m·K) at 25°C
• Coefficient of thermal expansion: ~6.6–7.9 (×10⁶ mm/°C depending on range)
• Vickers hardness: ≥13 GPa
• Rated power: ~300 W (±5%/−10%)
• Ignition time: ~60–90 seconds
• Available voltages: 120 V and 220–240 V
• Certifications: RoHS, REACH, CE