The EPS production poses no threat to the ozone layer. Pentane, the blowing agent used in EPS, contains no ozone-depleting substances and the amount released during manufacture is only about 0.2%of the total man-made emissions of volatile organic compounds (VOC's). It is actually a naturally occurring chemical like methane. It is also continually being formed by natural processes; for example in the digestive tracts of animals and by the anaerobic decomposition of plant matter.
Polystyrene also has a low stability and under the influence of humidity and atmospheric radiation (especially UV light) it is quickly converted into carbon dioxide and water. Because of its low stability, pentane cannot reach the higher (stratospheric) atmospheric levels and therefore does not contribute to ozone depletion (unlike chlorinated blowing agents such as CFC's and HCFC's). Additionally pentane does not contribute directly to the "greenhouse" effect.
At Expanded Polystyrene Supplies we believe that the only way forward is to go green. Below are just some of the changes we have made to do our bit on saving the planet.
Expanded Polystyrene Supplies are always looking at new ways to reduce our carbon footprint. We were recently given planning permission from Lewes district council to install solar panels on our factory roof. So that is exactly what we did.