Magnesia

Family Overview 

Magnesia (magnesium oxide, MgO) is a specialty ceramic with outstanding high-temperature performance, used primarily in thermal engineering, heating elements, crucibles, and refractory applications.

Ceramic Expertise

Contact a CoorsTek expert to discuss a custom manufactured Magnesia solution for your application.

Properties	Units	Value
Flexural Strength, MOR (20 °C)	MPa	82 - 103
Fracture Toughness, KIc	MPa m1/2	—
Thermal Conductivity (20 °C)	W/m K	—
Coefficient of Thermal Expansion	1x10-6/°C	12 - 14
Maximum Use Temperature	°C	—
Dielectric Strength (6.35mm)	ac-kV/mm	—
Dielectric Loss (tan δ)	1MHz, 25 °C	—
Volume Resistivity (25°C)	Ω-cm	1 x 1010 to 6 x 1010