Development of a simplified test for the determination of the Bond Ball .
WEBNov 1, 2023 · A lab BICO ball mill with a cm inside diameter and cm inside length with rounded corners was used. The grinding media consisted of 285 iron or steel balls (43 Ø mm, 67 Ø mm, ten Ø mm, 71 Ø mm, and 94 Ø mm) weighing g in total. The mill was operated at 70 rpm.