ZERODUR® glass-ceramic

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Low-thermal-expansion glass-ceramic with exceptional properties for ultra-precise applications. Features extremely low thermal expansion with near-zero expansion accuracy down to 0 ± 7 ppb/K at ambient temperature. Suitable for applications involving mechanical loads up to 100 MPa. Exceptional 3D homogeneity with remarkably low level of inclusions, striae and bulk stress. Available in highly customizable shapes with advanced grinding and polishing capabilities. Can be light-weighted by up to 80% while maintaining mechanical stability.

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