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Glass Ceramics

These specialty materials have been formulated by producers to achieve stability of thermal expansion as well as featuring best properties of constituent materials. Some are more transparent like glass, some more opaque like alumina ceramic. All process well by diamond grinding, but where softer than technical ceramics, single-point machining is possible with some.

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ULE® is an ultra-low-expansion glass with a very low coefficient of thermal expansion. Ultra-low expansion glass (ULE) is a glass material made by Corning Glass Company...

Macor® is a machinable glass ceramic which withstands high temperatures while providing tight tolerance capability. Macor® is a great compromise material when contemplating the need for...

Zerodur® is a glass ceramic with an extremely low thermal expansion coefficient. Zerodur is a glass ceramic made by Schott Glass that is designed and formulated...

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