Pset_MaterialThermal A set of thermal material properties. IfcMaterial IfcMaterial SpecificHeatCapacity Defines the specific heat of the material: heat energy absorbed per temperature unit. Specific Heat Capacity BoilingPoint The boiling point of the material (fluid). Boiling Point FreezingPoint The freezing point of the material (fluid). Freezing Point ThermalConductivity The rate at which thermal energy is transmitted through the material. Thermal Conductivity