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Glass is far inferior to paper, plastic and Styrofoam in terms of insulation. Thermal conductivity in terms of BTU/(feet - hour - degrees F) is 1.82 for glass, 0.09 for paper, 0.06 for Styrofoam. The conductivity of plastics varies depending on the materials: for polypropylene and polycarbonate, the thermal conductivity values are 0.69 and 0.35, respectively.
Solid sodium chloride has a melting point of 801 Â°C. Thermal conductivity of sodium chloride as a function of temperature has a maximum of 2.03 W/(cm K) at 8 K (â265.15 Â°C; â445.27 Â°F) and decreases to 0.069 at 314 K (41 Â°C; 106 Â°F). It also decreases with doping.hen dissolved in water, the sodium chloride framework disintegrates as the Na + and Cl â ions become surrounded by the polar water molecules. These solutions consist of metal aquo complex with the formula [Na(H 2 O) 8 ] + , with the Na-O distance of 250 pm.