Pengaruh Jumlah Bola dan Lama Waktu Penggilingan Ball Mill …
Silica sand is one of the abundant materials in Indonesia, this study aims to obtain the results of the influence of the number of ball mill balls and the length of time of silica sand refinement. To obtain the appropriate fineness, silica sand is processed using a grinding machine, namely planetary ball - mill. The analysis of this study included variations of …