Insulating Steatite Ceramic Cement Resistor Performance | ||||||||||
Item | Index | Unit | Steatite ceramic | 95 Al2O3 | 96 Al2O3 | |||||
Physical Characteristics | Bulk density | g/cm3 | 2.7 | 3.2 | 3.6 | |||||
Water absorption | % | 0 | 0 | 0 | ||||||
Mechanical Characteristics | Flexural strength | Mpa | 145 | 320 | 340 | |||||
Hardness Vickers | Gpa | 5.7 | 12.2 | 13.5 | ||||||
Poisson’s ratio | - | 0.21 | 0.22 | 0.23 | ||||||
Thermal Characteristics | Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | |||||
Electrical Characteristics | Dielectric constant(1MHZ) | - | 6.2 | 9 | 9.4 |