Overview

Beryllium (CAS 7440-41-7) is a grey metal that is found in nature as a mineral with silica or with aluminium and silica. Beryllium exists as a free metal or in an ionic state (Be[II]).

Beryllium metal is used:

  • in structural material in space technology
  • as an additive of rocket fuels
  • as a moderator and reflector in nuclear reactors
  • in navigational systems
  • in manufacturing

Beryllium hydroxide is the feedstock for production of beryllium oxides, metal and copper beryllium master alloy.

Beryllium oxide is used in the manufacturing of:

  • specialty electrical and high-technology ceramics, for example resistor cores
  • special glass
  • electronic heat sinks
  • electron and laser tubes
  • electrical insulators
  • electronic components, for example circuit chip carriers
  • nuclear moderators and fuels
  • military vehicle armour
  • rocket nozzles
  • laser components

This guide provides information for those registered medical practitioners engaged by a PCBU to carry out or supervise health monitoring for workers. This guidance should be read in conjunction with the following:

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