Machinable Glass Ceramic

Machinable Glass Ceramic from UNIPRETEC is similar to the grade Macor. Our Mica-based machinable ceramic material provides the adaptability of a highly efficient polymer, the easy machining work-ability of metal, and the advanced properties of an industrial fine ceramic. It is a hybrid mica-based glass-ceramic that features a rare combination of properties derived from both the families of materials. In a general sense, glass mica ceramic is an excellent electrical and thermal insulator and is particularly well-suited for application in high temperature, vacuum, and corrosive environments.

Using common metal tool to process machining is one of the main benefits of mica glass ceramic. It therefore means there is no limit to the number of times a prototype can be produced and the manufacturing costs are much lower than with other engineered ceramics, making it the ideal option for both early stages of development and medium-volume production runs.

The MGC machinable ceramic is high in strength. it will not crack or deform like high temperature polymer. It has very low porosity and can be polished to a surface roughness of 0.2 micrometers.

Due to its heat stability, machinable mica-based glass ceramic will also not creep or deform, even under high temperatures. It has low heat conductivity, making it suitable for use as a high temp. insulator. And it shows superior dimensional stability under a range of environmental conditions (heat, radiation, etc.). Its coefficient of thermal expansion is very close to that of other metals and sealing glasses.

The electrically insulating performance of glass mica ceramic are particularly beneficial at high temp. condition. It is effective when applied to extreme voltages with a range of frequencies and a broad spectrum. Furthermore, this material is also resistant to radiation.

Material Properties

∆ The above data is offered for reference and comparison only, exact data will vary depending on manufacturing method and part configuration.

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