MGC Macor Machinable Glass Ceramic Plate


Ultra-High Vacuum Environments
It is used as an insulator or coil support and for vacuum feed-throughs. In these applications, the conductive materials are supported by the MGC part and a compatible sealing glass is used to produce a vacuum-tight, hermetic seal.

Constant Vacuum Applications
MGC parts are found in spacers, heaters and windows for microwave tube devices and as sample holders in field ion microscopes.

Aerospace Industry
They can be found on reusable Space Shuttle, Orbiter. Retaining rings of MGC are used at all hinge points, windows and doors.

Nuclear-Related Experiments
Since MGC is not dimensionally affected by irradiation, small cubes of the material are machined to a tolerance of one micron and used as a reference piece to measure dimensional change in other materials.

Welding Nozzles
Welding equipment manufacturers are using MGC as a nozzle on the tips of oxyacetylene torches. The material's non-wetting characteristic means molten particles won't adhere to and decrease the effectiveness of the nozzle.

MACOR MGC is used as an electrode support and burner block in several industrial high heat, electrical cutting operations due to its low thermal conductivity and excellent electrical properties.

Medical Equipment
Producers of medical components are intrigued by MGC's inertness, precise machinability and dimensional stability.


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Machinable glass ceramic withstands high temperature while providing tight tolerance capability