CaC2 Calcium Carbide, high quality calcium carbide Gas Yield:295/285 0-2mm,2-4mm,4-7mm, ... ,15-25mm,25-50mm,50-80mm,70-100mm CaC2, Calcium Carbide National Srandard GB10665-89 INDEXFIRST GRADESALABLE GRADEGAS YIELD L/KG ... , 200kg iron drum Loading Quantity:22.5MT/20'FCL Calcium carbide:M.F. CaC2, gray, black solid, the basic material of ...