Formula: Cac2 Molecular weight: 64.10 Quality standard: GB10665-1997 CAS No.: 75-20-7 Un no.: 1402 Icsc: 0406 H. S. Code: 28491000 Calcium Carbide (50-80mm, 295L) Calcium carbide: 25-50mm / 50-80mm or customized Gas yieldness: 295L/kg MIN Packing: 50kg / 100Kg iron drum sealed with nitrogen gas II. Desulphurization agent Calcium carbide: 0-2mm/4-15mm/7-15mm Packing: 50kg/100Kg iron drum sealed with nitrogen gas