High Temperature Macor Machinable Glass Ceramic Properties Machinable Ceramic Sheet

 

MACOR® can be considered unique as its composition comprises 55% fluorophlogopite mica and 45% borosilicate glass. Corning’s unique production process results in Macor’s microstructure that is a key to its versatile properties.

MACOR® offers a unique combination of properties, unlike any other technical material.It is a white, nonwetting, odorless and non outgassing material that exhibits zero porosity.Extremely machinable, MACOR® offers tight tolerances capabilities,allowing complicated shape design (optimal performances up to +/- 0.013 mm for dimensions, < 0.5 μm for finished surface and up to 0.013 μm for polished surface). MACOR® remains continuously stable at 800 °C, with a maximum peak at 1000 °C under no load, and unlike ductile materials, doesn’t creep or deform. Its coefficient of thermal expansion readily matches most metals and sealing glasses. As an electric insulator, particularly at high temperatures, it is excellent at high voltages and a broad spectrum of frequencies.