Also
das EPO hab ich auch zuhause.....
EPS ( expanded polystyrene ) has good impact strength, low heat conductivity, and good insulation properties. Its cost meets economical requirements. EPO ( expanded styrene ethylene copolymer ) has good elasticity and impact strength. The application of EPS and EPO are :
helmets, toy planes, cosmetic boards for construction, and packages for : CRT, TV, electronic parts, sewing machines, sports-ware, cutters, saws, etc.
http://www.botech.com.tw/html/BTC002-e.html