Bead foam filter (EPS foam plastic filter beads) is made by the expandable polystyrene particles into the liquefied petroleum gas and foam beads made of small white ball-shaped filter, with develop pore structure,large specific surface area,also has strong adsorption capacity.It is a light filter. Bulk density 80-100kg/m3, porosity of about 50%. Common Specifications :0.5-1 .0 mm 0.6-1.2mm 0.8-1.2mm 0.8-1.6mm 1.0-2.0mm 2.0-4.0mm 4.0-8.0mm 10-20mm