... °C-29.8Critical Temperature, °C112.0Critical Pressure, Mpa4.14Specific Heat of Liquid, 30°C, [KJ/(kg°C)]0.21ODP0GWP- ... is used as refrigerant in household, industrial and commercial air-conditioning system. It can also be used as ... in cool and dry place, without being exposed to heat source, sunlight and raining. It is to comply with ... cylinder high quality refrigerant r12 gas for auto air conditioners