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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.
The âstyreneâ present in Styrofoam cups and other such containers has the ability to percolate the food or beverages carried in them. The foods can be anything, ranging from hot or cold drinks, snacks, alcohols to acidic eatables. Styrene is a suspected carcinogen and neurotoxin. It carries a host of other adverse health effects like: