Wheels with AVOLAN and AVOPRENE polyurethane tread with high quality mechanical cast iron centre, aluminium centre or electrowelded steel centre. Available also with special polyurethanes: AVOANTISTATIC, AVOTOP, AVOWATER, AVOBIO, AVOPLUS. Polyamide 6 wheels coated with injection polyurethane DESMOPAN®(Bayer®).These wheels are available in a range of diameters between mm.60 and mm.700, that combined with the various types of medium, heavy and extra heavy duty castors allow load capacities between kg 70 and kg 7000.