... a desulfurizer for iron and steel industry calcium carbidepacking details:50kg,100kg iron druminspection details ... any other agency as per your requirementDescription:calcium carbide is a grayshi-black crystalline compound ... ,the combination can produce acetylene,chloroprene rubber,calcium cyanamide,acetate acid,trichloroethylene,and acetaldehyde.Moreover, ... and is used for metal cutting and welding.