1.Calcium carbide 2.Size:2-4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mm 3.Gas ... 50mm,50-80mm,80-120mm 2.Gas yield:295L/KG-305L/KG 3.Packing:50kg&100kg&200kgProducts name:Calcium Carbide( ... CaC2)Size:2-4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mmGas ... .run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Calcium Carbide 295L/KG 50-80mm