What is a widespread polystyrene?

Expanded polystyrene is a plastic foam material that has certain desirable properties due to its structure. It is extremely light and angry and good insulator against heat and sound. It can be used as a building material or structural element and can be formed into many shapes for a number of household use.

In most cases, the widespread polystyrene foam is white and consists of small interconnected beads. It is produced by a combination of ethylene and benzene chemicals to make a compound known as styrene. Styrene is then treated with other chemicals that cause polymerized styrene molecules or grouped in long chains. This reaction can only proceed to a particular point and then stopped. The resulting beads can cool down and then clean.

After creation and cleaning, the beads must be expanded, which happens in the three main phases. First, the beads heat up with hot air or steam until their density is three percentage of its original value. The beads then cool down afterperiod of 24 hours and shaped. Once they are inside the mold, they are injected with a low -pressure steam, which further expands the beads and connects them together. When the mold is cooled, the enlarged polystyrene is finished and ready for use or transport.

expanded polystyrene differs from a similar product called extruded polystyrene, an important way. Extruded polystyrene is produced by chlorofluorocarbones (CFC), which many consider to be harmful to ozone balance in the Earth's atmosphere. The widespread polystyrene is made without these compounds, which is crazy environment. However, both products can be recycled like all plastics.

Another important advantage of widespread polystyrene, especially in products such as disposable cups, is that it is very cost -effective. Production of polystyrene foam requires much less energy of THOBRABA alternatives based on paper. He also has potenCial to create much less waste than paper. For example, when burned correctly, one ton (907 kg) of polystyrene cups produces only 0.2 ounces (5.66 g) ash, while the same amount of paper produces $ 200 (90.7 kg) ash

It is also remarkable that the polystyrene foam does not lean. Some consider it a disadvantage, but the fact that it is chemically inert is a stable filler material that helps ensure safe and hygienic reclamation of the landfill. Despite this, the prevailing trend was to reduce and recycle polystyrene foam whenever possible.