Bond work index of limestone Face4A results less than 20kwh/t 105 and 150 microns. The Bond Work Index is calculated using the formula (Bond remaining 6 samples are marked as hard -Limestone Analyses via Bond Work Index For full scale on-site ... Limestone Analyses via Bond Work Index ... limestone is typically received with a diameter of about 1 in. (25 mm) ... fraction (underflow) is returned to the ball mill.The Bond work index determination according to the standard Bond's test is done on all these samples with compara-tive sieve size of 74,

1961): (√ √) (1) where: W i – Bond …Bond Ball Mill Work Index Determination . The standard Bond Ball Mill Work Index test procedure is firstly to stage crush the feed to minus 335mm and size a representative sample The test then involves a series of batch grinds in a standard Bond mill A Bond mill is 0305m by 0305m with rounded corners a smooth lining . Chat OnlineThis Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples. These equation application methods are used to process ,