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Alumina Ceramic Precision Structural Parts

Categories Technical Ceramic Parts
Brand Name: ZG
Model Number: MS
Certification: CE
Place of Origin: China
MOQ: 1 PC
Price: 10USD/PC
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000 PCS
Delivery Time: 5-8 work days
Packaging Details: Strong wooden box for Global shipping
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Alumina Ceramic Precision Structural Parts

Alumina Ceramic Precision Structural Parts


Related Data


Main component99%Al2O3S-SiCZrO2Si3N4
Physical
Property
Densityg/cm33.93.163.2
Water Absorption%00.100.1
Sinter Temperature°C1700220015001800
Mechanical
Property
Rockwell HardnessHV1700220013001400
Bend Strengthkgf/mm23500400090007000
Compression IntensityKgf/mm230000200002000023000
Thermal
Property
Maximum working
temperature
°C1500160013001400
thermal expansion
coefficient
0-1000°C
/°C8.0*10-64.1*10-6(0-500°C)9.5*10-62.0*10-6(0-500°C)
5.2*10-6(500-1000°C)4.0*10-6(500-1000°C)
Thermal Shock resistanceT(°C)200250300400-500
Thermal ConductivityW/m.k(25°C31100325
300°C)16100325
Electrical
Property
Resisting rate of Volume◎.cm    
20°C>1012106-108>1010>1011
100°C1012-1013>1011
300°C>1012>1011
Insulation Breakdown
Intensity
KV/mm18semiconductor917.7
Dielectric Constant (1 MHz)(E)10297
Dielectric Dissipation(tg o)0.4*10-3

Ceramic materials for feeder elements have the following properties:

  • high glass resistance and corrosion resistance;
  • resistance to long-term dynamic effects of molten glass;
  • high purity of material;
  • resistance to thermal shock (heat resistance);
  • refractoriness;
  • low wettability by glass melts;
  • low thermal expansion coefficient.

Serially manufactured feeder products:

  • glasses;
  • bushings;
  • plungers;
  • bowls

as well as other elements of glass furnaces:

  • gates;
  • burners;
  • furnace lining elements.

The main material performance:

  • quartz ceramics (SiO2);
  • aluminum oxide (Al2O3);
  • zirconium dioxide (ZrO2);
  • various ceramic compositions.


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