... ,15-25mm,25-50mm,50-80mm,70-100mm CaC2, Calcium Carbide National Srandard GB10665-89 INDEXFIRST GRADESALABLE GRADEGAS YIELD L/KG ... iron drum, 200kg iron drumLoading Quantity:22.5MT/20'FCLCalcium carbide:M.F. CaC2, gray, black solid, the basic material of ... about ethine.(2)Reacting with nitrogen to product lime nitrogen .(3)The desulfurizer in steel industry. CaC2 Calcium Carbide