### Bond Index Ball Mill Rod Mill Bt 100 Xl Retsch

The Bond Index conforming ball charge consists of 43 x 1.45 balls 67 x 1.17 balls 10 x 1 balls 71 x 0.75 balls 94 x 0.61 balls The optimum number of grinding balls is 285. However, the ball diameters vary due to wear. Therefore, the total ball number should be adjusted from time to time to ensure a total mass of 20.125 grams. The grinding jar of the Bond Index Ball Mill measures 12 x 12 and has well

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