MSDS Safety Sheet for Beryllium Oxide Ceramic in PDF format
Beryllium oxide insulators have a high dielectric strength, which allows safe operating voltages of 1500 volts or more. For
applications involving high frequency or high pulse rate circuitry, the inherent low electrical capacitance of these insulators
prevents circuit detuning and loss of signal power.
Beryllium oxide insulators have a dielectric strength of approximately 22.8 x 103 volts/mm for .81mm material (580 volts/mil
for .032" material), and 17.7 x 103 volts/mm for 1.57mm material (450 volts/mil for .062 material). The thermal conductivity
of beryllium oxide is 221.94 Wm-1 °C-1 (128.2 Btu/hr.ft.°F).
Beryllium oxide is chemically inert and completely safe to use in its fired state. Handling of finished parts presents absolutely no
health hazards.
Beryllium oxide,however, is toxic when dust, mist or fumes containing particles small enough to enter the lungs are inhaled.
Therefore, grindings, sanding, and pulverizing the material should be avoided.
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