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Pentane is a volatile hydrocarbon compound (C5H12). Most of the pentane gas is released during the manufacture of EPS and replaced with air. The released pentane gas does not affect the ozone layer. The gases CFC or HCFC (so-called freons) have never been used in EPS. Neither in the production of the raw material nor in the production of the final product.

EPS is manufactured from crude oil, which is considered a non-renewable natural resource. Of the oil consumed in the Western world, 86% is used for energy production, heating or as fuel. Within Europe, the total production of all plastics accounts is 4% of the oil consumption and EPS 0.2%.

​​EPSCEMENT AB LEADS THE DEVELOPMENT
We manufacture EPS ourselves to ensure the quality of the material. We expand recycled polystyrene particles of a specific size (according to an optimal screening curve) that have been allowed to absorb pentane gas. When these particles are heated in saturated water vapor, the pentane gas is released and replaced by air. In new production of EPS, the particles have a smooth surface with closed cells, which results in minimal water absorption. We therefore always have control over what we get in terms of compressive strength and drying out in completed products with EPSCement®.