General purpose polystyrene is clear, hard and brittle. Polystyrene is a not biodegradable plastic and resistant to photolysis. It is widely employed in the food-service industry as rigid trays and containers, disposable eating utensils, and foamed cups, plates, and bowls. The results of this study indicated that bioinformatics approaches might be useful tools to predict styrene and polystyrene affinities with mammalian CYP2E1s. So there really is no melting point unless you say what is the foam made of. When installed correctly, expanded polystyrene products do … PROPERTY: UNIT: VALUE / RANGE : Melting Point °C: 180 - 260: Density : g mL-1: 1.04 - 1.05 The biggest problem is expandable polystyrene (EPS); due to its low density, it takes up a relative large amount of space in landfills. Applications Extruded polystyrene, or XPS, is a closed-cell, thermal plastic material manufactured by a variety of extrusion processes. Polystyrene can be naturally transparent, but can be coloured with colourants. Thermophysical Properties of Genral Purpose Polystyrene. foam or foamy describes how something looks or feels. Although recycable, polystyrene is not recycled in many parts of the world. It is a major contributor to the debris in the ocean. For polystyrene, the dimer of styrene has high binding affinities with CYP2E1s, however, trimer and other high polymers were found hard to be docked into the CYP2E1s. It is an inexpensive resin per unit weight. However, in practice, its burning behavior depends on the conditions under which it is used, as well as the inherent properties of the material. Polystyrene, a hard, stiff, brilliantly transparent synthetic resin produced by the polymerization of styrene. Polystyrene is a hard and rigid material used to make toys, kitchen appliances, disposable drinking cups, packaging material, computer housing parts, etc. It is a highly used plastic all over the world because it is usually offered at a lower price point than many other plastics. Like practically all organic building materials polystyrene foam is combustible. The main applications of extruded polystyrene insulation are in building insulation and construction in general. It is a rather poor barrier to oxygen and water vapour and has a relatively low melting point. Polystyrene is a plastic which have melting point of 240°C, however the melting point of polystyrene is largely irrelevant because polystyrene starts to soften around 80-100°C . Molded or expanded polystyrene is commonly called beadboard and has a lower R-value than extruded polystyrene. Polystyrene can be rigid or foamed. Polystyrene is also copolymerized, or