Open here for our page navigation
Magnesium Oxide Single Crystal
Formula MgO
Crystal Structure: cubic system
Density: 3.58 gm/cc
Melting Point: 2852ºC
Hardness (Mohs Scale): 5.8
Cleavage: (100)
Dielectric Constant: 8.65 at 108 Hz
Thermal Expansion: 10.8 10-6/C
Standard Specifications:
Specific Resistivity: 1 x 1017 ohm cm (at 28oC)
1 x 1012 ohm cm (at 500oC)
1 x 108 ohm cm (at 1000oC)
1 x 105 ohm cm (at 1500oC)
Upper Temperature Limit of Usefulness: 2600ºC in air
2200ºC in reducing atmosphere
1800ºC in vacuum
1600ºC in N2 atmosphere
2000ºC in C atmosphere
1600ºC in NH2 atmosphere
1600ºC in SO2 atmosphere
Transmission Range: 0.3 – 7 microns
Standard Sizes:
5 mm x 5 mm x 0.5 - 1.0 mm
10 mm x 10 mm x 0.5 - 1.0 mm
25 mm x 25 mm x 0.5 - 1.0 mm
50 mm x 50 mm x 0.5 - 1.0 mm
and custom sizes and shapes offered upon request.