... -4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mm 2.Gas yield:285L/KG-305L/KG 3.Packing ... -4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mmGas yield:285L/KG-305L/KGPacking:50kg&100kg&200kg ... synthesize polyvinyl chloride(PVC).4.Fruit catalyst. Calcium Carbide 50-80mm 295L/kg gas yield