... ,BV and ISO9001:2008, is a leading manufacture & exporter of Calcium Carbide, export Calcium Carbide 295L/Kg, 50-80mm/25 ... -50mm in high quality at competitive price.Uses: Calcium carbide is ... industry, Acetylene obtained from calcium carbide is raw material to make ethylene, chloroprene rubber, calcium cyanamide, aceticacid, acetaldehydr, ...