▎ 摘　　要

NOVELTY - A brush comprises electric brush body made of base powder and asphalt, where the base powder contains a graphene aqueous solution. USE - Brush for a motor of electric power tool, and middle and low power grinder motors. ADVANTAGE - The Brush has moderate resistivity, low brush running spark grade, good commutation performance, good product stability, excellent abrasion resistance and anti-electromagnetic interference.