Electrical Insulation Steatite Alumina / Zirconia Ceramic Parts

Min.Order: 100
Product origin: Zhuzhou, Hunan, China
Infringement complaint: complaintComplaint
US$ -1

Description
Ceramic Alumina Parts
Features of the ceramics parts:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) High strength
6) Used in all electric products, electric heating products and wear resistant machinery parts.
7) OEM, ODM and OBM are welcomed
 
Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, 200T isostatic pressing and extrusion productive technology etc.

Alumina Ceramic Part Application:

  • Furnace process tubes
  • Steel tube liners
  • Coal handling wear resistance pads
  • Thermocouple protection tubes
  • Sandblasting nozzles
  • Wire drawing dies
  • Bushings and caps
  • Crucibles
  • Tool bits
  • Saggers
  • Kiln furniture
  • Mechanical seals
  • Fuel cell parts
  • Rollers for hearth furnaces
  • Welding nozzles
  • Laser parts
  • Gas igniters
  • Electric insulator
  • Ceramic guiders
  • Ceramic screwdrivers
  • Zirconia oxygen Sensors
  • Medical and surgical components
 
Main performance index about alumina ceramic parts :
ProjectTest the conditionUnit99 porcelain95 porcelainTalc porcelain
Backbone  99%AL2O395%AL2O3MgO.SiO2
Physical propertyDensity of volumeNormal atmospheric temperatureg/cm33.83.62.8
AirtightNormal atmospheric temperature ..PassPass-
Absorbing water rateNormal atmospheric temperature%000
Temperature that frit °C180016501350
Mechanical performanceRockwell hardnessNormal atmospheric temperatureHRA888676
Resist the intensity of turning backNormal atmospheric temperatureMpa350320150
Compression strengthNormal atmospheric temperatureMpa13001200900
Hot performanceUse temperature at most °C170016001200
Heat resistant shaking20O°C-1100O°C10NumPassPassPass
Hot coefficient of expansion20O°C-80O°C×10-6mm/°C6.5-8.56.5-8.05.0-6.2
Heat-conduction rate25°CW/m.k29252.9
300°CW/m.k18132
Dielectric constantThe medium lossing1MHz2O°C×10-4≤2.5≤4≤8.0
The angle tangent is worth1MHz8O°C×10-4≤3.5≤4.2-
Dielectric strengthNormal atmospheric temperatureKV/mm151620
Dielectric constant1MHz2O°C 9-10.59-10≤7.5
Resistivity of volume2O°CΩ.cm>1012>1012>1013
10O°CΩ.cm1012-10131012-10131010-1011
30O°CΩ.cm>10123.1×1095×108



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