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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.
Conductivity (or specific conductance) of an electrolyte solution is a measure of its ability to conduct electricity. The SI unit of conductivity is siemens per meter (S/m).esistivity of pure water (in MÏ-cm) as a function of temperature. The SI unit of conductivity is S /m and, unless otherwise qualified, it refers to 25 Â°C. Often encountered in industry is the traditional unit of Î¼S/cm. 10 6 Î¼S/cm = 10 3 mS/cm = 1 S/cm.