Gases have very poor thermal conduction properties as compared to liquids and solids[2][three] and therefore make good insulation material if they are often trapped in materials to ensure that A great deal of the heat that flows in the material is pressured to flow from the gas.[four] To additional increase https://reidrhuiw.pointblog.net/the-basic-principles-of-air-conditioning-insulation-material-82878499