95% Alumina ceramic ignition needle for gas burner
Advantage of ceramic electrode:
Sensitive ignition
Strong ageing resistance
Good corrosion resistance
High temperature resistance
High dielectric strength
Long durable life
Perfect insulation
Excellent stability
Suitable for different environment
Application of ceramic ignition:
Gas cooker,Water heater,Gas oven, Gas boiler,Air-conditioning and so on.
Properties | Units | 95% | 99% | 99.5% Al2O3 |
Colour | White | Ivory | Ivory | |
Density | g/cm3 | 3.5 | 3.85 | 3.9 |
Flexural Strength | Mpa | 280 | 340 | 350 |
Compressive Strength | MPa | 2100 | 2200 | 2350 |
Max Use Temperature | °C | 1400 | 1650 | 1650 |
Thermal Condutivity | W/m.K | 16~28 | 19~30 | 19-31.4 |
Thermal Expansion Cofficient | 10-6/°C | 6.5~7.5 | 6~8 | 8 |
Thermal Shock Resistance | K | 150 | 150 | 200 |
Specific Heat | J/kg.K | 950 | 950 | 950 |
Dielectric Strength | KV/mm | 10 | 12 | 18 |
Dielectric Constant | Er | 9 | 9 | 10 |
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