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Expandable polystyrene (PS-E or EPS) is a polymer material containing pentane in its composition, which enables expansion. EPS may contain additives that grant specific properties to the styrofoam obtained. Important ingredients include flame retardants, agents decreasing thermal conductivity and water absorption, as well as external lubricants facilitating the processing, or coloring agents.

Synthos S.A. is the largest expandable polystyrene (EPS) manufacturer in Europe and one of the largest manufacturers of this material worldwide.

EPS manufactured at Synthos S.A. plants is offered under the trade names InVento and InSphere (construction EPS) and InPacto (packaging EPS). Our extensive product portfolio is the most comprehensive offering available to European customers.

XPS (extruded polystyrene) is a modern thermal insulation material broadly recognized by the construction industry, with constantly increasing market popularity.

It offers very good thermal insulation, moisture resistance and high durability. A closed-cell internal structure grants a number of unique features that are very useful in construction.

XPS PRIME is appreciated by our customers as the best material in its category. Its characteristics have been recognized by international research institutes.

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