Frequently Asked Questions | The Jet Pulverizer CompanyUp to that time, dry grinding in the sub-sieve range of 625 to 2500 theoretical mesh size range was impractical. In a jet mill, . A ball mill with a classifier will produce a fine product but the particle size distribution curve is very wide and when the correct average size is reached the number of fines is usually too high. Ball mills.2500 mesh particle size in ball mill,EXPERIMENTS AND MODELING OF SIZE . - Open Collectionsmaterial that passed through the sieve with a mesh number ¼ and retained on the sieve with a mesh number 3½. ... Vibratory ball milling has been found to be more effective in breaking down the cellulose crystals of .. The input of the wattmeter can range from 0-2500 W, 0-25 A, and 0-150 V. The output of the wattmeter.