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Alumina Spray Prilling/Dried Powder

 

 
 
This product is refined from high quality calcined alumina by scientific confecting, rubbing, pulping, spraying, drying. The product is charactered by reasonable particle size, moderate strength, good fluidity, low sintering temperature, easy demolding.
Note: We can design and produce the alumina granulation powder according to your requirements.
 
Indicators Unit A90 A92 A95 A97 A99
Al2O3 ≥   % 90 92 95 97 99
Fe2O3 ≤   % 0.1 0.1 0.1 0.1 0.05
Na2O ≤   % 0.2 0.2 0.1 0.1 0.1
Moisture ≤   % 0.3 0.3 0.3 0.3 0.3
Stacking Density g/m3 1--1.2 1--1.2 1--1.2 1--1.2 1--1.2
Partical Size Mesh 40--300 40--300 40--300 40--300 40--300
Sintering Temperature 0C 1530 1550 1590 1630 1650
Sintering Density g/m3 3.55 3.6 3.65 3.7 3.85
Soaking Time h 2 2 2 2 2
Average Shrinkage   % 16--18 16--18 16--18 16--18 18--20