Silicon Nitride Ceramic Glow Plugs Used for Cars

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Silicon Nitride Ceramic Glow Plugs Used for Cars


Silicon nitride ceramic glow plugs are used for diesel engine start-up preheating and ignition of various high-temperature gases. This product uses silicon nitride ceramics as the base material of the heating part, which overcomes the problems of metal sleeve-type glow plugs, such as not resistant to high temperatures, short service life, and long pre-heating time .

The following is the detailed information of our products: 

Electrical properties

  • *Rated Voltage：8V，12V，16V，18V，24V
  • *Frequency：50/60HZ
  • *Rated power：35W～750W

 Advantages 

  • Long service life: Service life reaches 15000 hours;
  • Power on and off times: 105 times;
  • Fast preheating: when the preheating temperature reaches 1000°C, the preheating time is 3-5 seconds;
  • Good low temperature startup performance: reliable startup at -30°C;
  • High temperature strength:suitable for high-speed diesel engines and high- temperature ignition devices.

 

Applications：

  • High speed diesel engine
  • High temperature ignition device
  • parking heater
  • Car preheater
  • Car exhaust treatment 

Performance Comparison of Silicon Nitride Glow plug and Metal glow plug


ITEMSi3N4 Glow PlugMetal Glow Plug
Pre heat temp(℃)1000-1200800-900
Pre-heat time(S)5-820-40
Power(W)≤45100
Power on-off time105240
Low temp startup performance:(℃)-30-5

 

Si3N4 Glow Plug Specification:

 

Max

temp(℃)

 

Working temp

(℃)

Thermal conductivity

(20℃)Kcal/m·h·℃

 

specific heat

J/(kg.k)

 

Thermal expansion coefficient(℃)

 

＜1300＜1200256403.4×10-6

 

If you have any question about the silicon nitride glow plug, welcome to contact us at sales@innovacera.com.

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