Expanded polystyrene (EPS) is a lightweight cellular plastic material consisting of small hollow spherical balls that are expanded through a molding process in our factories to create a cost effective, highly efficient material used in hundreds of different applications.

What is the difference between polystyrene and expanded polystyrene?

The main difference between these two materials lies in their density. Extruded polystyrene is much denser than expanded polystyrene (2.18 lbs. on average for XPS vs. 0.93 lbs.

What is expanded polystyrene used for?

Expanded Polystyrene (EPS) is a rigid cellular plastic, which is found in a multitude of shapes and applications. It is used for fish boxes, packaging for electrical consumer goods and for insulation panels for building. These are the most commonly known uses and we will mention others in this document.