Precaution during producing brown aluminum oxide micropowder
First,the raw material of brown aluminum oxide micropowder is bauxite.
Brown aluminum oxide micropowder is produced through melting,recystallized,grinding,acid washed,water washed,overflow classification,dry etc.
Compared with white aluminum oxide micropowder and silicon carbide micriopowder,brown aluminum oxide micropowder has the advantage of low cost.
But the producing process,they are almost the same,then what shall we pay attention when produce brown aluminum oxide micropowder?
1.The selection of brown aluminum oxide block,we must make sure its chemical and physical properties are A grade.
2.Acid-wash and water washed,stirring well and completely,washed enough to make the water PH value near to 7.0
3.During overflow classification,technicians must control time accurately,take sample unceasingly to test to make sure size proper.
4.During the screening process, the screen should be checked regularly to prevent the screen from being damaged and large particles from passing through, resulting in unqualified products.
