Refrigerant Gas R508b:The widespread use of ultra low temperature refrigerant,mainly used in environmental test ... Point, °C-87.4Critical Temperature, °C14Critical Pressure, Mpa3.93Specific Heat of Liquid, 30°C, [KJ/(kg°C)]0Ozone Depletion Potential(ODP)0Global ... Warming Potential(GWP)2.608Safety data: Usage:The widespread use of ultra low temperature refrigerant, mainly used in environmental test box ...