STRIP BRUSHES are composed of a U-shaped metal profile (backing) in which the filament is lodged in a continuous row.
There are two types of metal backings: single band (side figure) and double band (details under). In the more traditional single band backing the filaments are fastened between the U-shaped band and a core wire.
In the double band backing the filaments are anchored between the external band (toothed) and the internal band.
The single band style is far more common. Double band backings are used for very heavy-duty applications.
Strip brushes can be divided into three types: