What is extruded polystyrene?
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Extruded polystyrene (XPS) is a foam material used for thermal insulation in the building industry . It is produced through a process that involves mixing raw materials, foaming extrusion, secondary forming, cooling forming, and cutting machining . Graphite is often added to the raw material mixture to reduce the heat conduction coefficient of the XPS foam . The foaming extrusion process uses supercritical CO2 as the main foaming agent, which helps reduce environmental impact . The resulting XPS foam has improved thermal insulation performance and a low content of open cells . The density of the extruded polystyrene board can be reduced by prolonging the growing time of cells through steam in the forming process . Extruded polystyrene foam can also be produced with flame retardant properties and excellent thermal stability .
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| Papers (4) | Insight |
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| Extruded polystyrene foam is a type of foam produced by extrusion-foaming a foamable melted product of a styrene resin composition and a foaming agent through a die slit section. | |
3 Citations | Extruded polystyrene (XPS) is a material used in the building industry for thermal insulation, as mentioned in the paper. |
| Extruded polystyrene (XPS) foam is a type of foam material that is made using a composition containing enhanced concentrations of graphite as an infrared attenuation agent. It provides improved thermal insulation performance and has a low content of open cells. | |
| Extruded polystyrene is a type of board material produced through a specific production technology described in the paper. |
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