small ball mill in lab for
How to Make a Ball Mill 12 Steps with Pictures . 2020 8 10 1 Fill the container with small metal balls Most people prefer to use steel balls but lead balls and even marbles can be used for your grinding Use balls with a diameter between ½ 13 mm and ¾ 19 mm inside the mill The number of balls is going to be dependent on the exact size of your drum
احصل على السعر