EPS foam filter beads expandable polystyrene foam filter beads (EPS foam plastic filter beads) are small white beads of bead shaped particles foamed by adding liquefied petroleum gas into suspended polystyrene resin. They are light filter materials with a bulk density of 80-100kg / cm3 and a porosity of about 50%.
Foam filter bead is a new type of filter material, which can complete coagulation, clarification and filtration in one container. It can be directly supplied to water towers, suitable for small and medium-sized water treatment equipment, and also used for ship water treatment system.