... R12product content : Property of chloride : Molecular Weight120.91Boiling Point, °C-29.8Melting Point, °C-158Critical Temperature, °C112.0Critical Pressure, Mpa 4 ... .14Specific Heat of Liquid, 30°C, [KJ/(kg•°C)]0 ... in 1990, factory of which covers an area of 30,100 square meters (building area is 20,000 square meters ...