Calcium carbide or carbide is a chemical compound (with the chemical formula CaC2) in the form of a blackish-gray solid crystal used for the manufacture of acetylene gas (C2H2), which is a material for cutting and welcoming iron and steel in the shipping, mining, car body (automotive ) and small industries.
In the Iron-Grounding Industry and in the mining industry (gold, nickel, copper, etc.), carbide is used as "desulphurising medium" which is a material to separate dirt from these metals. Carbide is also used in welding conducted by a welder. In addition, carbide can also be used in the process of fruit maturation. The main raw materials for calcium carbide are limestone and metallurgical coke.