Magnesia

Composition

MgO

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Magnesia overview

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

Example Applications

High-temperature crucibles

CoorsTek Formulations

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

Property	Units	Value
Flexural Strength, MOR (20 °C)	MPa	82 - 103
Fracture Toughness, K_Ic	MPa m^1/2	-
Thermal Conductivity (20 °C)	W/m K	-
Coefficient of Thermal Expansion	1 x 10^-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

The information provided on this chart is for general material property reference only. The customer should recognize that exact properties of materials may vary according to product configuration but close control of values of most properties can be maintained, if specified. Nothing herein is provided, or is to be construed, as absolute engineering data or constituting a warranty or representation. Contact CoorsTek for cost-effective design, development and manufacturing assistance. CoorsTek has 300+ variations including various forming and firing processes, not all variants are represented in the present website.

Magnesia

Magnesia overview

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