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-29.8Melting Point, °C-158Critical Temperature, °C112.0Critical Pressure, Mpa4.14Specific Heat of Liquid, 30°C, [KJ/(kg•°C)]0.21ODP0.82GWP1.0 PackingCan of 220g, 250g, ...