BLACK ALUMINUM OXIDE (BA)  
     
 
 
     
  With high toughness, black aluminum oxide is extremely suitable for polishing stainless steel and
non-ferrous metals. Its grinding efficiency is much higher than that of brown aluminum oxide and the finishing effect is much better than many of other abrasive materials.
 
 
     
  CHEMICAL COMPOSITION:  
 
Grit
Content (%, by weight)
Al2O3
Fe2O3
F220 & Coarser
62~85
≥5
F240 & Finer
60~82
 
 
Note: Special requirement on chemical composition can be satisfied through discussion.
 
     
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