What is Polystyrene resin?
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We produce polystyrene resin from styrene. It is a kind of thermoplastic polymer and a kind of petroleum derived liquid hydrocarbon. Polystyrene resin is widely used in a lot of manufacturing processes such as injection molding, sheet and film extrusion, and expanded foam extrusion like PE foam sheet extrusion, PS foam sheet extrusion, XPS foam extrusion and XPE foam extrusion. We use blowing machine and extrusion machine to produce the products we need. For example, we produce PS food container with PS foam sheet extrusion line, automatic vacuum forming line and PS foam recycling line.

Polymer resins have become an integral part of virtually every area of life and can be found in a huge array of domestic and industrial products. One of the more prevalent of these plastics is polystyrene resin. This tough, transparent thermoplastic possesses a variety of attractive qualities which have made it one of the most widely used polymer resins ever. These characteristics include low costs, good wear properties, low working temperatures, excellent insulating qualities, and a high electrical insulation rating. The resin’s low transition temperature make it ideal for production processes such as thermoforming, injection molding, and various extrusion processes.
When it comes to range of uses, it is almost impossible to find an area where polystyrene resin products are not used. Domestic products range from plastic cutlery to refrigerator door liners and include items such as toys, insulating panels, disposable razors, appliance casings, and furniture components. The ubiquitous Styrofoam cup, molded packaging inserts, and peanuts are all polystyrene resin products. Most CD and DVD cases also consist of combinations of general purpose and high impact polystyrene resin.
In industrial settings the resins excellent electrical insulation properties make it a regular motor and coil encapsulation material. Polystyrene resins are also a common component of power tool casings, hand tool handles, tool boxes, and construction sheets. The medical and pharmaceutical industries also use a wide range of these resin products. Items such as Petri dishes, test tubes, micro plates, and laboratory containers are all produced from polystyrene resin using sterile molding techniques. The resin is even used in military ordinance production as a binder for RDX TNT explosives, an additive of napalm, and one of the components of many hydrogen bomb variants.
For all their widespread uses and positive attributes, polystyrene resins have two negative characteristics. The first is the fire risk involved. Polystyrene products, particularly expanded foam items, are easily ignited, burn with a very hot flame, and exude large amounts of toxic fumes and soot. For this reason, the use of polystyrene foams as insulation and the storage and transportation of polystyrene products require considerable care.
The second disadvantage of polystyrene resin products is their longevity after disposal. Polystyrene products do not biodegrade for several centuries; film and foam items, among others, float and are easily blown around by the wind. A disturbing proportion of land and waterborne pollution is made up of polystyrene products which makes their responsible disposal a critical consideration.

Polystyrene resin is widely used in the nowadays world and it is a must thing for our lives. We are creating the reason and recycle it. And we sincerely hope it can bring us a lot of benefits, in the conditions of environment protection.