Details

Alpha alumina oxide specifications
components    contents    remarks
al2o3    >=    99.8  %    
na2o    <      0.05  %     
cao    <      0.02  %    
sio2    <      0.1   %    
fe2o3    <       0.12  %    
a al2o3    >=    95    %    
bet    >      1 ¨C 1.2 m2/gr    
density s.g    >      3.9   gr/cm2    
d50    <      35-40 ¦Ìm    
specific gravity    >=      3.94 g/cm3    
primary crystal size    <=     1.2 - .8    
particle size/sieve        + 45 ¦Ì max 5%    
color    white     
         
Used in industrial ceramics, long buy in great volume for export.  

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