How To Make Black Powder and Other Explosives
As ball mills to crush the charcoal and sulfur. a ball mill is basically a large rotating drum filled with charcoal, sulfur and a crushing agent, such as lead balls or heavy stones. the mill is rotated at high speed for up to 48 hours or longer. the result is a very finely powdered charcoal/sulfur.At ball mill processing, crystalline lactose resulted in significantly lower viscosity, for example 15% at 40 s−1; thus, for this process, it can be recommended to use special milk powders high.