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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.
Acrylonitrile butadiene styrene (ABS) (chemical formula (C 8 H 8) x Â· (C 4 H 6) y Â·(C 3 H 3 N) z) is a common thermoplastic polymer.Its glass transition temperature is approximately 105 Â°C (221 Â°F). ABS is amorphous and therefore has no true melting point.BS is a terpolymer made by polymerizing styrene and acrylonitrile in the presence of polybutadiene. The proportions can vary from 15 to 35% acrylonitrile, 5 to 30% butadiene and 40 to 60% styrene.