Pumice stone and floatstone ultra-fine grinding mill
Pumice stone and floatstone ultra-fine grinding mill. HGM series ultra-fine grinding mill is a new type machine to grind Pumice stone into super thin Powder. The final Powder size can be from 5micron to 47micron as per 97% passing rate. Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic …
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