Calcium carbide; 1.Gas yield:220L/kg min 2.In 50/100/120/200kg drum 3.Size:1-3,2-4,4-7,7-15,15-25,25-50,50-80,70-100,80-120 Name: NGO-L0204 UN1402 Industrial Calcium Carbide Description: Place of OriginTianJin, ChinaSize2-4MMCAS NO.75-20-7AppearanceTaupe solidsUN. NO.1402Transport Hazard ClassClass 4.3Packing Group50kg or 100kg iron drumRelative density2.22g/cm3HS CODE28491000PH3 %( V/V) ≤0.08H2S ...