As one of the most used materials in the world, we are surrounded by polystyrene that is expanded daily and we often use it without even realizing it. Packaging materials, foam cups, food trays, coolers, and toys are just a few of the polystyrene products we come across frequently. Aside from its more obvious uses, polystyrene is also used in flotation, insulation, and construction devices, making it a ubiquitous material. You can also buy foam coolers in Hawaii for the packaging of products.
There are two main types of polystyrene foam, which are determined by the molding process, resulting in slightly different structural compositions. Expanded polystyrene foam, known as EPS, and extruded polystyrene foam, known as XPS, are both closed-cell foams with slightly different sensations, properties, and formulations. Polystyrene is often called styrofoam, which is wrong. Styrofoam is a brand and type of specialty polystyrene foam that is owned by the Dow Chemical Company and is primarily used as insulation.
The most widely used variant, EPS, is synthesized by polymerization, in which a chemical reaction, which is a small ball, expands dramatically through heat and steam as it melts and joins together to form a solid made of a separate small foam. Pellet shape. . For this reason, the expansion of EPS can reach 98 percent of air, depending on the type. XPS foam is manufactured by a slightly different process.