Rotary Brushes Fill Material

We can manufacture rotary brushes using any of our available synthetic, natural or wire filaments. The type of material selected will depend upon the desired characteristics. Fill may be stiff or soft, thick or thin, repel or absorb water, chemical or heat resistant, flexible to a greater or lesser extent, and resistant to bending or abrasion.

Other filament characteristics include brush density and bristle length. Choosing a crimped filament instead of a level or straight filament will provide you with a more dense brush appearance and a continuous, more even brushing action. The crimp is measured by amplitude, depth of the crimp, frequency and number of crimps per inch. Level or straight bristles provide a lesser brush density appearance. The measurement of the exposed filament is known as the trim length and is the working strength of the brush.

The last filament characteristic is the finished trim; choices include:

• Flat trim is the most common finished trim providing a consistent, uniform brush face.
• Tapered trim is common in applications to accommodate deflection on a surface.
• Step trim is used for brushing irregular or uneven surfaces.