Graphite Material
May 2003
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According to the company, beside chokes and capacitors, optimized carbon brushes can also reduce the RFI (radio frequency interference) level in universal motors. Therefore, the company has designed a new graphite material for universal motors with low power. This material reportedly shows a reduction of RFI by 10-15 dB compared to existing materials. Through its specific material properties such as electrical resistivity, modulus of elasticity, and coefficient of friction, the RFI level can reportedly be influenced favorably.

The Schunk Materials Company

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