.BuildingSystems.HAM.Data.MaterialProperties.Thermal.Ceramic .BuildingSystems.HAM.Data.MaterialProperties.Thermal.Ceramicrecord Ceramic = BuildingSystems.HAM.Data.MaterialProperties.BaseClasses.MaterialThermalGeneral(id = 7, name = "Ceramic (Al2O3) from https://www.matweb.com", lambda = 26.0, c = 880.0, rho = 3900.0);