Can of 220g, 250g, 280g, 300g, 340g, 500g, 800g, 1000g; Disposable cylinder 30lb/13.6kg, 50lb/22.7kg For R12 product name : ... dichlorodifluoromethane R12product content : Property of chloride : Molecular Weight120.91Boiling Point, °C ... ; Recyclable cylinder 400L, 800L, 926L, 1000L; ISO-Tank.Application:Refrigerant. Refrigerant gas R12