Brush grades

Tried and trusted standard types, or individually produced special solutions: No matter what you require – we have the right grade for any application. High quality and individually produced. Brush grades describe the exact composition and the quality of our carbon brushes. With a wide range of formulations and properties, we ensure that the correct carbon brushes are supplied, even for the most special customer requirements. Thanks to special reworking processes such as impregnation, we can alter and improve the properties of MACK brush grades. For example, we can provide increased strength, improved slide characteristics, or lower spark production. MACK carbon brushes are divided into five grade categories: Carbon graphite grades Our graphite carbon grades consist of different types of graphite. In the process, mineral components provide a weak abrasive effect. At low speed and low sparking they are able to grind off slight carbon deposits on the collector. The...