Gunpowder, also known as black powder, was the first chemical explosive and the only one known until the mid1800s. It is a mixture of sulfur, charcoal, and potassium . Tagged the mining cone crusher processing plant process of silver
Stone Crusher Introduction. The stone crusher is an indispensable process for the stone crushing line. it can be used to crush once, twice and finely crushed more than 200 kinds of rough stones such as granite, basalt, limestone, rock, concrete, aggregate, gravel, dolomite and quartz.