Poly abrasive brushes have the following characteristics

Poly abrasive brushes are made of nylon or steel bristles with abrasive grains attached to them. The abrasive grains can be made of corundum, silicon carbide, diamond, etc. Poly abrasive brushes have the following characteristics:

Wide variety of abrasives: The appropriate abrasive grain can be selected according to different applications to achieve the best grinding effect.
Strong grinding ability: The abrasive grains can effectively remove burrs, welds, oxide scales, etc. from the surface of the workpiece.
Long service life: The abrasive grains are firmly attached to the bristles and are not easy to fall off, so the brush has a long service life.
Wide range of applications: Poly abrasive brushes can be used for grinding various materials such as metal, ceramics, plastics, and rubber.
Common applications of poly abrasive brushes include:

Deburring: Used to remove burrs generated during metal processing to improve the surface quality of the workpiece.
Weld grinding: Used to remove welds, slag, etc. from the weld to make the weld surface smooth and flat.
Surface cleaning: Used to clean oxide scales, oil, rust stains, etc. from the metal surface to prepare for subsequent painting or other processing.
Polishing: Used to polish metals, ceramics, plastics and other materials to improve their surface brightness.
Here are some guidelines for selecting poly abrasive brushes:

Choice of abrasive grains: The appropriate abrasive grains should be selected according to factors such as the material, hardness, and processing requirements of the workpiece. For example, for harder materials, harder abrasive grains such as diamond should be selected; for workpieces that require fine grinding, finer abrasive grains should be selected.
Choice of brush wire material: Nylon brush wires have good flexibility and are suitable for grinding irregular surfaces; steel brush wires have higher hardness and are suitable for grinding large-area planes or workpieces with stubborn dirt on the surface.
Brush size: The size of the brush should match the size of the workpiece. If the brush is too small, the grinding efficiency is low; if the brush is too large, it may not be able to enter the small parts of the workpiece.
Poly abrasive brushes are a versatile and efficient grinding tool with a wide range of applications in industrial production and daily life.

Here are some additional points that could be included in the article:

Safety precautions when using poly abrasive brushes, such as wearing eye protection and gloves.
Maintenance and storage of poly abrasive brushes.
Common problems with poly abrasive brushes and how to solve them.
I hope this translation is helpful. Please let me know if you have any other questions.