The use of black corundum powder can be made into various specifications of polishing wax for fine polishing of various workpieces.

 

Using black corundum granular sand or fine powder, it can be made into fiber wheels for grinding and polishing various workpieces.

 

Use black fused alumina and brown fused alumina to make abrasive cloth, which is converted into abrasive belts, thousand impellers, etc., for polishing various workpieces.

 

The use of black corundum granular sand can be used for surface cleaning of various workpieces, pipe cleaning, ship hull rust removal, and sandblasting of old denim surfaces.