TECOS Slovenian Tool and Die Development Centre Celje 3000 Slovenia;
OMAPLAST Grosuplje 1230 Slovenia;
ECOPULP Finland Oy Koria 45610 Finland;
AITIIP Centro Tecnológico Polígono Empresarium Zaragoza 50720 Spain;
Recycled high and low density polyethylene; natural fibres; mechanical properties; DSC; recycling;