carbide calcium Gas Yield: 295/285 0-2mm,2-4mm,4- ... -15mm,15-25mm,25-50mm,50-80mm,70-100mm Calcium Carbide, carbide calcium National Srandard GB10665-89 INDEXFIRST GRADESALABLE GRADEGAS YIELD L ... iron drum, 200kg iron drumLoading Quantity:22.5MT/20'FCLCalcium carbide:M.F. CaC2, gray, black solid, the basic material of ... product lime nitrogen .(3)The desulfurizer in steel industry. CaC2 carbide calcium