buy orange juice

Powder of corundum:
+  Chemical composition: Al2O3 100%  (Al: 52.93%, O: 47.07%)
+  Hardness: 9 MOH
+ Specific gravity: 3.9 – 4.1 g/cm3
+ Fineness: three different fineness are needed:
   d97=120 mesh and d97=180 mesh and d97=220 mesh
            +  Purchase quantity: 30 MT