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"Brush Research Manufacturing\u2019s Nampower abrasive disc brushes contain a combination of ceramic and silicon carbide filaments designed for faster burr removal rates and improved surface finish."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/products/abrasive-disc-brushes-feature-ceramic-silicon-carbide-filaments(3)>