... 4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mm 3.Gas yield:285L/KG- ... 4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mm 2.Gas yield:295L/KG- ... 4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mmGas yield:285L/KG-305L/KGPacking:50kg ... 80-200≥85≤5≤150-80≥85≤5≤125-50≥85≤5≤14-25≥85≤5≤1when the customer ... raw material for producing acetylene gas.2.Cutting and welding for metal material.3.To synthesize polyvinyl chloride(PVC ...