Goodfellow Now Offer an Enhanced Range of MACOR Glass Ceramic Products

Through their acquisition of the UK-based Technical Glass Company, Goodfellow is now able to supply an enhanced range of MACOR® glass ceramic products as both machinable material (rods, plates, bars and discs) and finished components that are precision-machined to customer specifications.



MACOR delivers the performance of a technical ceramic with the versatility of a high-performance plastic. It is an outstanding engineering material and is machinable with ordinary metalworking tools. MACOR is strong and rigid, an excellent insulator, and has a high maximum use temperature (800°C continuous, 1000°C peak) and low thermal conductivity. Because of these outstanding properties, MACOR is used in a wide range of applications:

  • Electronics/semiconductor industry – precision coil formers, high voltage insulators
  • Laser industry – spacers, reflectors and cavities in laser assemblies
  • High vacuum industry – thermal breaks, coil supports and vacuum feedthroughs
  • Aerospace/space industry – Space Shuttle door and window retaining rings, satellite electrical supports
  • Nuclear industry – fixtures and reference blocks in power generation units

The Technical Glass Company, part of the Goodfellow Group of Companies, is a UK-based supplier of specialist glass and ceramic materials and components for scientific and industrial applications. For information about MACOR and other ceramic and glass materials offered through the Technical Glass Company, visit

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