Page 7 of Introduction of Materials and Products for Applications by NTN Corporation Japan
introduction of materials and products for applications 4-7 sliding materials with electrical conductivity preventing electrostatic charges this material has not only excellent friction and wear characteristics but also has electrical conductivity utilizing this material as bearings for which anti-static properties are required the grounding device could be removed unlike conventional carbon brushes these materials are less prone to cracking or chipping they also operate more quietly
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