... improvement of brushes, which to prevent sparseness, shedding, drop off.Brush bristle uses nylon yarn with characteristics like high flexibility, strong elasticity ... )> 8 °Product standard Ends styleAluminum, plasticEscalator angle6°,12°,30°,35°Bristle shapeStraight bristle, curved bristleBrush functioninflaming retarding, static-freeBase modelsSingle row, Double ...