Tight cell expanded polystyrene virgin pellet, specific for the dry blowing into hollows and confined volumes. The pellets have a constant grain size in curve (pellets diameter 3-6 mm) and controlled density, they are perfectly spherical, non-toxic, not absorbing, incorruptible, lastingly dimensionally stable, free of nourishing substances for bacteria and fungus. Production totally free from the use of Chlorine Fluorine Carbides.
