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            Custom-made Ceramic
            and Glass Components


            This is synthetically produced sapphire. Single crystal sapphire has a high thermal conductivity, volume resistivity, hardness and wear resistance, as well as a high upper use temperature. The energy band gap is large (10eV). Sapphire is a transparent material having useful transmission of wavelengths in the range 0.2 to 5.5 microns. It is much stronger than glass and can be used as viewing windows in high-pressure and vacuum applications.

            The material has excellent chemical resistance and can be machined into lenses, wafers, spheres and other technical components.

            Characteristics of sapphire include:

            • High hardness
            • Excellent chemical resistance
            • High strength, which is retained at high temperature
            • High maximum operating temperature
            • Excellent thermal shock resistance

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            Download the Sapphire pdf

            Buy standard Sapphire products online

            Goodfellow also offers a range of standard, semi-finished forms in our online catalog. To see our catalog, please follow the link below.


            Goodfellow Ceramic and Glass Division is able to supply a wide range of ceramic and glass materials as finished components. Our capabilities range from custom-made precision microcomponents with very high tolerance features to large heavy-duty components used in industrial applications. Additionally, standard semi-finished forms such as tubes, rods, bars, plates, crucibles and spheres are often available from our wide inventory. Please contact us with full details of your requirements, including drawings where available, and we will review and respond with a quotation as soon as possible.