1.Calcium carbide 2.Size:2-4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mm 3.Gas yield:285L/KG ... -305L/KG 4.Packing:25,50kg&100kg 1.Size:2-4mm ... ,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mm 2.Gas yield ... &200kgProducts name:Calcium Carbide(CaC2)Size:2-4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mmGas yield:285L/KG ...