alumina beads

The 90% series of SINOMA 90SINOALU Microcrystal Alumina Beads are mainly applied to the chemical, oil and cosmetic industries as grinding media. The beads for these industries must have excellent wear resistance to ensure the purity of the raw materials.

Properties:

Al₂O₃                                   90%

Ca+MgO+Fe₂O₃+others        2%

Bulk density                         >3.60g/cm³

Hardness(mohs)                    9

Water absorption                  <0.01%

Average crystal size             1μm

Color                                    white

   Size:

     Dimension                       wear rate

           Mm                             g/kg.h

         15-30                             <0.08

         13                                  <0.01

         10                                  <0.12

         8                                    <0.18

         6                                    <0.20

  Other size:

       0.5mm6mm