Natural sand: Rock particles formed by the action of natural conditions (mainly rock weathering) and having a particle size below Smm. Artificial sand is machine-made sand: it refers to rock particles with a particle size of less than 4.75mm made by mechanical crushing and
As a compression crusher, jaw crushers generally produce the coarsest material because they break the rock by the natural inherent lines of weakness. Jaw crushers are an excellent primary crusher when used to prepare rock for subsequent processing stages. Cone and gyratory crusher.
22/1/2012· Replacement of natural sand in concrete It is obvious the available quantity of natural sand is decreasing during the past decades. This seems to be a global trend, except some locations is relatively abundant with natural sand. The reasons of natural sand absence
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled,or to reduce the size of a solid mix of raw materials (as in rock ore ), so that pieces of different composition can be differentiated.
16/10/2019· Natural sand is produced by natural forces, such as river sand, sea sand, and mountain sand. Generally, mountain sand is more weathered, containing more mud, organic impurities and light substances. Sea sand often contains shells and other impurities, and its components such as the chlorine, sulfate and magnesium salts may cause corrosion of steel bars.
Cone crusher widely used in the metal and mon-metal mines, cement, sand & gravel, aggregate, quarry, metallurgy and other industries. it is suited for fine crushing all kinds of ores and rocks with hardness ≤5 ~ 16, such as iron ore, Non-ferrous metal ore
Selecting a rock crusher machine by material particle size. According to the particle size of the raw materials, we can divide the crushing process into four processes: coarse crushing, medium crushing, fine crushing and sand making. For coarse crushing, a jaw rock crusher is generally used.
1/12/2016· Crushed Sand vs Natural Sand:Crushed sand is a better substitute for natural sand. A brief comparison of these materials to help you make correct choice. The presence of silt and clay in the sand reduces the setting time of cement and make concrete and mortar