4. the ultrafine mills are characterized by high fineness (final size: 3253000 mesh, d97 5 micron) 5. environmentfriendly . main specifications of ultrafine grinding equipment . there are five models of our powder ultrafine grinding equipment : hgm80, hgm90, hgm100, hgm100a and hgm125. the detailed specification and technical data of our.
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