Formatec

Ceramics has unique characteristics that can benefit a wide variety of products.
The following table shows the various characteristics for the different types of ceramics.
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     Unit  ZrO2 white  ZrO2 black  Al2O3  Si3N4  ZTA
Composition      ZrO2
Y
2O3
ZrO2
Y
2O3
Pigment 
 Al2O3 Si3N4
Y2O3
Al2O3
 Al2O3
ZrO2
Mechanical properties

  Sintered parts Young’s modulus

 Gpa

200

 200  400  320  300
  Sintered density g/cm3  ≥ 6.06  5,95  3,9  3,2  4,2
  Bend strength as-fired Mpa    600 - 800  400 - 600  400  600  500
polished    800 - 1.000  600 - 800  -  -  -
  Fracture toughness  MPa ·m½  6 - 9  5 - 6  3,5  8  7
  Hardness (Vickers)   HV  1.350  1.350  2.000  1.600  1.800
Thermal properties   
  Expansion coefficient  10-6/K  10  10  8  3,2  8
  Conductivity  W/mK  2  2  30  30  23
  Thermal shock resistance  °C  350  -  200  -  -
  Max Operating temperature  °C  400  400  1.600  1.200  1.600
Electrical properties
  Resistance  Ω m  108  -  1012  -  -
  Dielectric constant  22 -  10  -  -